2591631

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 4419584

約数和(自身を除く): 1827953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1327, 1953, 3981, 9289, 11943, 27867, 41137, 83601, 123411, 287959, 370233, 863877, 2591631]

約数ペア:

[(1, 2591631), (3, 863877), (7, 370233), (9, 287959), (21, 123411), (31, 83601), (63, 41137), (93, 27867), (217, 11943), (279, 9289), (651, 3981), (1327, 1953)]