2561715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 4979520

約数和(自身を除く): 2417805

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 117, 145, 151, 195, 261, 377, 435, 453, 585, 755, 1131, 1305, 1359, 1885, 1963, 2265, 3393, 4379, 5655, 5889, 6795, 9815, 13137, 16965, 17667, 21895, 29445, 39411, 56927, 65685, 88335, 170781, 197055, 284635, 512343, 853905, 2561715]

約数ペア:

[(1, 2561715), (3, 853905), (5, 512343), (9, 284635), (13, 197055), (15, 170781), (29, 88335), (39, 65685), (45, 56927), (65, 39411), (87, 29445), (117, 21895), (145, 17667), (151, 16965), (195, 13137), (261, 9815), (377, 6795), (435, 5889), (453, 5655), (585, 4379), (755, 3393), (1131, 2265), (1305, 1963), (1359, 1885)]