12491505

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 23639616

約数和(自身を除く): 11148111

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 131, 163, 195, 393, 489, 585, 655, 815, 1179, 1467, 1703, 1965, 2119, 2445, 5109, 5895, 6357, 7335, 8515, 10595, 15327, 19071, 21353, 25545, 31785, 64059, 76635, 95355, 106765, 192177, 277589, 320295, 832767, 960885, 1387945, 2498301, 4163835, 12491505]

約数ペア:

[(1, 12491505), (3, 4163835), (5, 2498301), (9, 1387945), (13, 960885), (15, 832767), (39, 320295), (45, 277589), (65, 192177), (117, 106765), (131, 95355), (163, 76635), (195, 64059), (393, 31785), (489, 25545), (585, 21353), (655, 19071), (815, 15327), (1179, 10595), (1467, 8515), (1703, 7335), (1965, 6357), (2119, 5895), (2445, 5109)]