2015217825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{33629}}^1$

素因数の和:33706

約数の個数: 48

約数和(自身を含む): 3602983680

約数和(自身を除く): 1587765855

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 75, 85, 141, 235, 255, 425, 705, 799, 1175, 1275, 2397, 3525, 3995, 11985, 19975, 33629, 59925, 100887, 168145, 504435, 571693, 840725, 1580563, 1715079, 2522175, 2858465, 4741689, 7902815, 8575395, 14292325, 23708445, 26869571, 39514075, 42876975, 80608713, 118542225, 134347855, 403043565, 671739275, 2015217825]

約数ペア:

[(1, 2015217825), (3, 671739275), (5, 403043565), (15, 134347855), (17, 118542225), (25, 80608713), (47, 42876975), (51, 39514075), (75, 26869571), (85, 23708445), (141, 14292325), (235, 8575395), (255, 7902815), (425, 4741689), (705, 2858465), (799, 2522175), (1175, 1715079), (1275, 1580563), (2397, 840725), (3525, 571693), (3995, 504435), (11985, 168145), (19975, 100887), (33629, 59925)]