290438721

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{877}}^1\times {\mathrm{1187}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 433914624

約数和(自身を除く): 143475903

約数列:

[1, 3, 9, 31, 93, 279, 877, 1187, 2631, 3561, 7893, 10683, 27187, 36797, 81561, 110391, 244683, 331173, 1040999, 3122997, 9368991, 32270969, 96812907, 290438721]

約数ペア:

[(1, 290438721), (3, 96812907), (9, 32270969), (31, 9368991), (93, 3122997), (279, 1040999), (877, 331173), (1187, 244683), (2631, 110391), (3561, 81561), (7893, 36797), (10683, 27187)]