3905865

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 7272720

約数和(自身を除く): 3366855

約数列:

[1, 3, 5, 9, 15, 29, 41, 45, 73, 87, 123, 145, 205, 219, 261, 365, 369, 435, 615, 657, 1095, 1189, 1305, 1845, 2117, 2993, 3285, 3567, 5945, 6351, 8979, 10585, 10701, 14965, 17835, 19053, 26937, 31755, 44895, 53505, 86797, 95265, 134685, 260391, 433985, 781173, 1301955, 3905865]

約数ペア:

[(1, 3905865), (3, 1301955), (5, 781173), (9, 433985), (15, 260391), (29, 134685), (41, 95265), (45, 86797), (73, 53505), (87, 44895), (123, 31755), (145, 26937), (205, 19053), (219, 17835), (261, 14965), (365, 10701), (369, 10585), (435, 8979), (615, 6351), (657, 5945), (1095, 3567), (1189, 3285), (1305, 2993), (1845, 2117)]