51709905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2389}}^1$

素因数の和:2450

約数の個数: 48

約数和(自身を含む): 99175440

約数和(自身を除く): 47465535

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 481, 555, 585, 1443, 1665, 2389, 2405, 4329, 7167, 7215, 11945, 21501, 21645, 31057, 35835, 88393, 93171, 107505, 155285, 265179, 279513, 441965, 465855, 795537, 1149109, 1325895, 1397565, 3447327, 3977685, 5745545, 10341981, 17236635, 51709905]

約数ペア:

[(1, 51709905), (3, 17236635), (5, 10341981), (9, 5745545), (13, 3977685), (15, 3447327), (37, 1397565), (39, 1325895), (45, 1149109), (65, 795537), (111, 465855), (117, 441965), (185, 279513), (195, 265179), (333, 155285), (481, 107505), (555, 93171), (585, 88393), (1443, 35835), (1665, 31057), (2389, 21645), (2405, 21501), (4329, 11945), (7167, 7215)]