2506455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 5079360

約数和(自身を除く): 2572905

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 109, 219, 315, 327, 365, 511, 545, 657, 763, 981, 1095, 1533, 1635, 2289, 2555, 3285, 3815, 4599, 4905, 6867, 7665, 7957, 11445, 22995, 23871, 34335, 39785, 55699, 71613, 119355, 167097, 278495, 358065, 501291, 835485, 2506455]

約数ペア:

[(1, 2506455), (3, 835485), (5, 501291), (7, 358065), (9, 278495), (15, 167097), (21, 119355), (35, 71613), (45, 55699), (63, 39785), (73, 34335), (105, 23871), (109, 22995), (219, 11445), (315, 7957), (327, 7665), (365, 6867), (511, 4905), (545, 4599), (657, 3815), (763, 3285), (981, 2555), (1095, 2289), (1533, 1635)]