231511791

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{2633}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 364124160

約数和(自身を除く): 132612369

約数列:

[1, 3, 7, 21, 53, 79, 159, 237, 371, 553, 1113, 1659, 2633, 4187, 7899, 12561, 18431, 29309, 55293, 87927, 139549, 208007, 418647, 624021, 976843, 1456049, 2930529, 4368147, 11024371, 33073113, 77170597, 231511791]

約数ペア:

[(1, 231511791), (3, 77170597), (7, 33073113), (21, 11024371), (53, 4368147), (79, 2930529), (159, 1456049), (237, 976843), (371, 624021), (553, 418647), (1113, 208007), (1659, 139549), (2633, 87927), (4187, 55293), (7899, 29309), (12561, 18431)]