12810915

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 24373440

約数和(自身を除く): 11562525

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 359, 549, 585, 793, 915, 1077, 1795, 2379, 2745, 3231, 3965, 4667, 5385, 7137, 11895, 14001, 16155, 21899, 23335, 35685, 42003, 65697, 70005, 109495, 197091, 210015, 284687, 328485, 854061, 985455, 1423435, 2562183, 4270305, 12810915]

約数ペア:

[(1, 12810915), (3, 4270305), (5, 2562183), (9, 1423435), (13, 985455), (15, 854061), (39, 328485), (45, 284687), (61, 210015), (65, 197091), (117, 109495), (183, 70005), (195, 65697), (305, 42003), (359, 35685), (549, 23335), (585, 21899), (793, 16155), (915, 14001), (1077, 11895), (1795, 7137), (2379, 5385), (2745, 4667), (3231, 3965)]