31349871

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 54250560

約数和(自身を除く): 22900689

約数列:

[1, 3, 7, 9, 21, 41, 53, 63, 123, 159, 229, 287, 369, 371, 477, 687, 861, 1113, 1603, 2061, 2173, 2583, 3339, 4809, 6519, 9389, 12137, 14427, 15211, 19557, 28167, 36411, 45633, 65723, 84501, 84959, 109233, 136899, 197169, 254877, 497617, 591507, 764631, 1492851, 3483319, 4478553, 10449957, 31349871]

約数ペア:

[(1, 31349871), (3, 10449957), (7, 4478553), (9, 3483319), (21, 1492851), (41, 764631), (53, 591507), (63, 497617), (123, 254877), (159, 197169), (229, 136899), (287, 109233), (369, 84959), (371, 84501), (477, 65723), (687, 45633), (861, 36411), (1113, 28167), (1603, 19557), (2061, 15211), (2173, 14427), (2583, 12137), (3339, 9389), (4809, 6519)]