198347175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 417056640

約数和(自身を除く): 218709465

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 43, 45, 57, 65, 75, 83, 95, 117, 129, 171, 195, 215, 225, 247, 249, 285, 325, 387, 415, 475, 559, 585, 645, 741, 747, 817, 855, 975, 1075, 1079, 1235, 1245, 1425, 1577, 1677, 1935, 2075, 2223, 2451, 2795, 2925, 3225, 3237, 3569, 3705, 3735, 4085, 4275, 4731, 5031, 5395, 6175, 6225, 7353, 7885, 8385, 9675, 9711, 10621, 10707, 11115, 12255, 13975, 14193, 16185, 17845, 18525, 18675, 20425, 20501, 23655, 25155, 26975, 31863, 32121, 36765, 39425, 41925, 46397, 48555, 53105, 53535, 55575, 61275, 61503, 67811, 70965, 80925, 89225, 95589, 102505, 118275, 125775, 139191, 159315, 160605, 183825, 184509, 203433, 231985, 242775, 265525, 267675, 307515, 339055, 354825, 417573, 477945, 512525, 610299, 695955, 796575, 803025, 881543, 922545, 1017165, 1159925, 1537575, 1695275, 2087865, 2389725, 2644629, 3051495, 3479775, 4407715, 4612725, 5085825, 7933887, 10439325, 13223145, 15257475, 22038575, 39669435, 66115725, 198347175]

約数ペア:

[(1, 198347175), (3, 66115725), (5, 39669435), (9, 22038575), (13, 15257475), (15, 13223145), (19, 10439325), (25, 7933887), (39, 5085825), (43, 4612725), (45, 4407715), (57, 3479775), (65, 3051495), (75, 2644629), (83, 2389725), (95, 2087865), (117, 1695275), (129, 1537575), (171, 1159925), (195, 1017165), (215, 922545), (225, 881543), (247, 803025), (249, 796575), (285, 695955), (325, 610299), (387, 512525), (415, 477945), (475, 417573), (559, 354825), (585, 339055), (645, 307515), (741, 267675), (747, 265525), (817, 242775), (855, 231985), (975, 203433), (1075, 184509), (1079, 183825), (1235, 160605), (1245, 159315), (1425, 139191), (1577, 125775), (1677, 118275), (1935, 102505), (2075, 95589), (2223, 89225), (2451, 80925), (2795, 70965), (2925, 67811), (3225, 61503), (3237, 61275), (3569, 55575), (3705, 53535), (3735, 53105), (4085, 48555), (4275, 46397), (4731, 41925), (5031, 39425), (5395, 36765), (6175, 32121), (6225, 31863), (7353, 26975), (7885, 25155), (8385, 23655), (9675, 20501), (9711, 20425), (10621, 18675), (10707, 18525), (11115, 17845), (12255, 16185), (13975, 14193)]