643880493501

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{22717}}^1\times {\mathrm{10303}}^1$

素因数の和:33161

約数の個数: 32

約数和(自身を含む): 988780412928

約数和(自身を除く): 344899919427

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 10303, 22717, 30909, 68151, 72121, 159019, 216363, 477057, 1349693, 2975927, 4049079, 8927781, 9447851, 20831489, 28343553, 62494467, 234053251, 702159753, 1638372757, 4915118271, 30660975881, 91982927643, 214626831167, 643880493501]

約数ペア:

[(1, 643880493501), (3, 214626831167), (7, 91982927643), (21, 30660975881), (131, 4915118271), (393, 1638372757), (917, 702159753), (2751, 234053251), (10303, 62494467), (22717, 28343553), (30909, 20831489), (68151, 9447851), (72121, 8927781), (159019, 4049079), (216363, 2975927), (477057, 1349693)]