207938583

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:545

約数の個数: 40

約数和(自身を含む): 320462208

約数和(自身を除く): 112523625

約数列:

[1, 3, 9, 27, 43, 81, 129, 227, 263, 387, 681, 789, 1161, 2043, 2367, 3483, 6129, 7101, 9761, 11309, 18387, 21303, 29283, 33927, 59701, 87849, 101781, 179103, 263547, 305343, 537309, 790641, 916029, 1611927, 2567143, 4835781, 7701429, 23104287, 69312861, 207938583]

約数ペア:

[(1, 207938583), (3, 69312861), (9, 23104287), (27, 7701429), (43, 4835781), (81, 2567143), (129, 1611927), (227, 916029), (263, 790641), (387, 537309), (681, 305343), (789, 263547), (1161, 179103), (2043, 101781), (2367, 87849), (3483, 59701), (6129, 33927), (7101, 29283), (9761, 21303), (11309, 18387)]