81284307

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{25111}}^1$

素因数の和:25210

約数の個数: 16

約数和(自身を含む): 118126848

約数和(自身を除く): 36842541

約数列:

[1, 3, 13, 39, 83, 249, 1079, 3237, 25111, 75333, 326443, 979329, 2084213, 6252639, 27094769, 81284307]

約数ペア:

[(1, 81284307), (3, 27094769), (13, 6252639), (39, 2084213), (83, 979329), (249, 326443), (1079, 75333), (3237, 25111)]