321165

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:91

約数の個数: 40

約数和(自身を含む): 630168

約数和(自身を除く): 309003

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 61, 65, 81, 117, 135, 183, 195, 305, 351, 405, 549, 585, 793, 915, 1053, 1647, 1755, 2379, 2745, 3965, 4941, 5265, 7137, 8235, 11895, 21411, 24705, 35685, 64233, 107055, 321165]

約数ペア:

[(1, 321165), (3, 107055), (5, 64233), (9, 35685), (13, 24705), (15, 21411), (27, 11895), (39, 8235), (45, 7137), (61, 5265), (65, 4941), (81, 3965), (117, 2745), (135, 2379), (183, 1755), (195, 1647), (305, 1053), (351, 915), (405, 793), (549, 585)]