15888971925

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{563}}^1\times {\mathrm{2917}}^1$

素因数の和:3539

約数の個数: 72

約数和(自身を含む): 29182474464

約数和(自身を除く): 13293502539

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 563, 645, 1075, 1689, 1935, 2815, 2917, 3225, 5067, 8445, 8751, 9675, 14075, 14585, 24209, 25335, 26253, 42225, 43755, 72627, 72925, 121045, 125431, 126675, 131265, 217881, 218775, 363135, 376293, 605225, 627155, 656325, 1089405, 1128879, 1642271, 1815675, 1881465, 3135775, 4926813, 5447025, 5644395, 8211355, 9407325, 14780439, 24634065, 28221975, 41056775, 70617653, 73902195, 123170325, 211852959, 353088265, 369510975, 635558877, 1059264795, 1765441325, 3177794385, 5296323975, 15888971925]

約数ペア:

[(1, 15888971925), (3, 5296323975), (5, 3177794385), (9, 1765441325), (15, 1059264795), (25, 635558877), (43, 369510975), (45, 353088265), (75, 211852959), (129, 123170325), (215, 73902195), (225, 70617653), (387, 41056775), (563, 28221975), (645, 24634065), (1075, 14780439), (1689, 9407325), (1935, 8211355), (2815, 5644395), (2917, 5447025), (3225, 4926813), (5067, 3135775), (8445, 1881465), (8751, 1815675), (9675, 1642271), (14075, 1128879), (14585, 1089405), (24209, 656325), (25335, 627155), (26253, 605225), (42225, 376293), (43755, 363135), (72627, 218775), (72925, 217881), (121045, 131265), (125431, 126675)]