2758906563

素因数分解:

$3^1\times 7^1\times {\mathrm{6581}}^1\times {\mathrm{19963}}^1$

素因数の和:26554

約数の個数: 16

約数和(自身を含む): 4204897536

約数和(自身を除く): 1445990973

約数列:

[1, 3, 7, 21, 6581, 19743, 19963, 46067, 59889, 138201, 139741, 419223, 131376503, 394129509, 919635521, 2758906563]

約数ペア:

[(1, 2758906563), (3, 919635521), (7, 394129509), (21, 131376503), (6581, 419223), (19743, 139741), (19963, 138201), (46067, 59889)]