31571271

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1277}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 47449584

約数和(自身を除く): 15878313

約数列:

[1, 3, 9, 41, 67, 123, 201, 369, 603, 1277, 2747, 3831, 8241, 11493, 24723, 52357, 85559, 157071, 256677, 471213, 770031, 3507919, 10523757, 31571271]

約数ペア:

[(1, 31571271), (3, 10523757), (9, 3507919), (41, 770031), (67, 471213), (123, 256677), (201, 157071), (369, 85559), (603, 52357), (1277, 24723), (2747, 11493), (3831, 8241)]