31000473

素因数分解:

$3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2749}}^1$

素因数の和:2941

約数の個数: 24

約数和(自身を含む): 51480000

約数和(自身を除く): 20479527

約数列:

[1, 3, 7, 9, 21, 63, 179, 537, 1253, 1611, 2749, 3759, 8247, 11277, 19243, 24741, 57729, 173187, 492071, 1476213, 3444497, 4428639, 10333491, 31000473]

約数ペア:

[(1, 31000473), (3, 10333491), (7, 4428639), (9, 3444497), (21, 1476213), (63, 492071), (179, 173187), (537, 57729), (1253, 24741), (1611, 19243), (2749, 11277), (3759, 8247)]