17950725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:84

約数の個数: 108

約数和(自身を含む): 38692836

約数和(自身を除く): 20742111

約数列:

[1, 3, 5, 9, 13, 15, 17, 19, 25, 39, 45, 51, 57, 65, 75, 85, 95, 117, 153, 171, 195, 221, 225, 247, 255, 285, 323, 325, 361, 425, 475, 585, 663, 741, 765, 855, 969, 975, 1083, 1105, 1235, 1275, 1425, 1615, 1805, 1989, 2223, 2907, 2925, 3249, 3315, 3705, 3825, 4199, 4275, 4693, 4845, 5415, 5525, 6137, 6175, 8075, 9025, 9945, 11115, 12597, 14079, 14535, 16245, 16575, 18411, 18525, 20995, 23465, 24225, 27075, 30685, 37791, 42237, 49725, 55233, 55575, 62985, 70395, 72675, 79781, 81225, 92055, 104975, 117325, 153425, 188955, 211185, 239343, 276165, 314925, 351975, 398905, 460275, 718029, 944775, 1055925, 1196715, 1380825, 1994525, 3590145, 5983575, 17950725]

約数ペア:

[(1, 17950725), (3, 5983575), (5, 3590145), (9, 1994525), (13, 1380825), (15, 1196715), (17, 1055925), (19, 944775), (25, 718029), (39, 460275), (45, 398905), (51, 351975), (57, 314925), (65, 276165), (75, 239343), (85, 211185), (95, 188955), (117, 153425), (153, 117325), (171, 104975), (195, 92055), (221, 81225), (225, 79781), (247, 72675), (255, 70395), (285, 62985), (323, 55575), (325, 55233), (361, 49725), (425, 42237), (475, 37791), (585, 30685), (663, 27075), (741, 24225), (765, 23465), (855, 20995), (969, 18525), (975, 18411), (1083, 16575), (1105, 16245), (1235, 14535), (1275, 14079), (1425, 12597), (1615, 11115), (1805, 9945), (1989, 9025), (2223, 8075), (2907, 6175), (2925, 6137), (3249, 5525), (3315, 5415), (3705, 4845), (3825, 4693), (4199, 4275)]