211018275

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3797}}^1$

素因数の和:3845

約数の個数: 72

約数和(自身を含む): 428566320

約数和(自身を除く): 217548045

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 171, 195, 225, 247, 285, 325, 475, 585, 741, 855, 975, 1235, 1425, 2223, 2925, 3705, 3797, 4275, 6175, 11115, 11391, 18525, 18985, 34173, 49361, 55575, 56955, 72143, 94925, 148083, 170865, 216429, 246805, 284775, 360715, 444249, 649287, 740415, 854325, 937859, 1082145, 1234025, 1803575, 2221245, 2813577, 3246435, 3702075, 4689295, 5410725, 8440731, 11106225, 14067885, 16232175, 23446475, 42203655, 70339425, 211018275]

約数ペア:

[(1, 211018275), (3, 70339425), (5, 42203655), (9, 23446475), (13, 16232175), (15, 14067885), (19, 11106225), (25, 8440731), (39, 5410725), (45, 4689295), (57, 3702075), (65, 3246435), (75, 2813577), (95, 2221245), (117, 1803575), (171, 1234025), (195, 1082145), (225, 937859), (247, 854325), (285, 740415), (325, 649287), (475, 444249), (585, 360715), (741, 284775), (855, 246805), (975, 216429), (1235, 170865), (1425, 148083), (2223, 94925), (2925, 72143), (3705, 56955), (3797, 55575), (4275, 49361), (6175, 34173), (11115, 18985), (11391, 18525)]