68768931

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 120185856

約数和(自身を除く): 51416925

約数列:

[1, 3, 7, 11, 21, 33, 41, 53, 77, 123, 137, 159, 231, 287, 371, 411, 451, 583, 861, 959, 1113, 1353, 1507, 1749, 2173, 2877, 3157, 4081, 4521, 5617, 6519, 7261, 9471, 10549, 12243, 15211, 16851, 21783, 23903, 31647, 39319, 45633, 50827, 61787, 71709, 79871, 117957, 152481, 167321, 185361, 239613, 297701, 432509, 501963, 559097, 893103, 1297527, 1677291, 2083907, 3274711, 6251721, 9824133, 22922977, 68768931]

約数ペア:

[(1, 68768931), (3, 22922977), (7, 9824133), (11, 6251721), (21, 3274711), (33, 2083907), (41, 1677291), (53, 1297527), (77, 893103), (123, 559097), (137, 501963), (159, 432509), (231, 297701), (287, 239613), (371, 185361), (411, 167321), (451, 152481), (583, 117957), (861, 79871), (959, 71709), (1113, 61787), (1353, 50827), (1507, 45633), (1749, 39319), (2173, 31647), (2877, 23903), (3157, 21783), (4081, 16851), (4521, 15211), (5617, 12243), (6519, 10549), (7261, 9471)]