211319703

素因数分解:

$3^2\times 7^2\times {\mathrm{179}}^1\times {\mathrm{2677}}^1$

素因数の和:2876

約数の個数: 36

約数和(自身を含む): 357191640

約数和(自身を除く): 145871937

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 179, 441, 537, 1253, 1611, 2677, 3759, 8031, 8771, 11277, 18739, 24093, 26313, 56217, 78939, 131173, 168651, 393519, 479183, 1180557, 1437549, 3354281, 4312647, 10062843, 23479967, 30188529, 70439901, 211319703]

約数ペア:

[(1, 211319703), (3, 70439901), (7, 30188529), (9, 23479967), (21, 10062843), (49, 4312647), (63, 3354281), (147, 1437549), (179, 1180557), (441, 479183), (537, 393519), (1253, 168651), (1611, 131173), (2677, 78939), (3759, 56217), (8031, 26313), (8771, 24093), (11277, 18739)]