31813743

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 46379520

約数和(自身を除く): 14565777

約数列:

[1, 3, 13, 39, 131, 169, 393, 479, 507, 1437, 1703, 5109, 6227, 18681, 22139, 62749, 66417, 80951, 188247, 242853, 815737, 2447211, 10604581, 31813743]

約数ペア:

[(1, 31813743), (3, 10604581), (13, 2447211), (39, 815737), (131, 242853), (169, 188247), (393, 80951), (479, 66417), (507, 62749), (1437, 22139), (1703, 18681), (5109, 6227)]