289503879

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{2141}}^1$

素因数の和:2335

約数の個数: 32

約数和(自身を含む): 454035456

約数和(自身を除く): 164531577

約数列:

[1, 3, 7, 21, 47, 137, 141, 329, 411, 959, 987, 2141, 2877, 6423, 6439, 14987, 19317, 44961, 45073, 100627, 135219, 293317, 301881, 704389, 879951, 2053219, 2113167, 6159657, 13785899, 41357697, 96501293, 289503879]

約数ペア:

[(1, 289503879), (3, 96501293), (7, 41357697), (21, 13785899), (47, 6159657), (137, 2113167), (141, 2053219), (329, 879951), (411, 704389), (959, 301881), (987, 293317), (2141, 135219), (2877, 100627), (6423, 45073), (6439, 44961), (14987, 19317)]