1998889725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{56827}}^1$

素因数の和:56914

約数の個数: 48

約数和(自身を含む): 3833389568

約数和(自身を除く): 1834499843

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 67, 75, 105, 175, 201, 335, 469, 525, 1005, 1407, 1675, 2345, 5025, 7035, 11725, 35175, 56827, 170481, 284135, 397789, 852405, 1193367, 1420675, 1988945, 3807409, 4262025, 5966835, 9944725, 11422227, 19037045, 26651863, 29834175, 57111135, 79955589, 95185225, 133259315, 285555675, 399777945, 666296575, 1998889725]

約数ペア:

[(1, 1998889725), (3, 666296575), (5, 399777945), (7, 285555675), (15, 133259315), (21, 95185225), (25, 79955589), (35, 57111135), (67, 29834175), (75, 26651863), (105, 19037045), (175, 11422227), (201, 9944725), (335, 5966835), (469, 4262025), (525, 3807409), (1005, 1988945), (1407, 1420675), (1675, 1193367), (2345, 852405), (5025, 397789), (7035, 284135), (11725, 170481), (35175, 56827)]