31225419

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{991}}^1$

素因数の和:1392

約数の個数: 20

約数和(自身を含む): 46812480

約数和(自身を除く): 15587061

約数列:

[1, 3, 9, 27, 81, 389, 991, 1167, 2973, 3501, 8919, 10503, 26757, 31509, 80271, 385499, 1156497, 3469491, 10408473, 31225419]

約数ペア:

[(1, 31225419), (3, 10408473), (9, 3469491), (27, 1156497), (81, 385499), (389, 80271), (991, 31509), (1167, 26757), (2973, 10503), (3501, 8919)]