12915747

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 8373213

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 1187, 1209, 3561, 3627, 10683, 10881, 15431, 32049, 36797, 46293, 110391, 138879, 331173, 416637, 478361, 993519, 1435083, 4305249, 12915747]

約数ペア:

[(1, 12915747), (3, 4305249), (9, 1435083), (13, 993519), (27, 478361), (31, 416637), (39, 331173), (93, 138879), (117, 110391), (279, 46293), (351, 36797), (403, 32049), (837, 15431), (1187, 10881), (1209, 10683), (3561, 3627)]