81638079

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{2917}}^1$

素因数の和:3430

約数の個数: 16

約数和(自身を含む): 114852480

約数和(自身を除く): 33214401

約数列:

[1, 3, 19, 57, 491, 1473, 2917, 8751, 9329, 27987, 55423, 166269, 1432247, 4296741, 27212693, 81638079]

約数ペア:

[(1, 81638079), (3, 27212693), (19, 4296741), (57, 1432247), (491, 166269), (1473, 55423), (2917, 27987), (8751, 9329)]