257070891

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{467}}^1\times {\mathrm{2383}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 428433408

約数和(自身を除く): 171362517

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 467, 1401, 2383, 3269, 5137, 7149, 9807, 15411, 16681, 26213, 35959, 50043, 78639, 107877, 183491, 550473, 1112861, 3338583, 7790027, 12241471, 23370081, 36724413, 85690297, 257070891]

約数ペア:

[(1, 257070891), (3, 85690297), (7, 36724413), (11, 23370081), (21, 12241471), (33, 7790027), (77, 3338583), (231, 1112861), (467, 550473), (1401, 183491), (2383, 107877), (3269, 78639), (5137, 50043), (7149, 35959), (9807, 26213), (15411, 16681)]