155259951

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1693}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 258897408

約数和(自身を除く): 103637457

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 397, 1191, 1693, 2779, 4367, 5079, 8337, 11851, 13101, 18623, 30569, 35553, 55869, 91707, 130361, 391083, 672121, 2016363, 4704847, 7393331, 14114541, 22179993, 51753317, 155259951]

約数ペア:

[(1, 155259951), (3, 51753317), (7, 22179993), (11, 14114541), (21, 7393331), (33, 4704847), (77, 2016363), (231, 672121), (397, 391083), (1191, 130361), (1693, 91707), (2779, 55869), (4367, 35553), (5079, 30569), (8337, 18623), (11851, 13101)]