18421491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{5527}}^1$

素因数の和:5642

約数の個数: 16

約数和(自身を含む): 27065088

約数和(自身を除く): 8643597

約数列:

[1, 3, 11, 33, 101, 303, 1111, 3333, 5527, 16581, 60797, 182391, 558227, 1674681, 6140497, 18421491]

約数ペア:

[(1, 18421491), (3, 6140497), (11, 1674681), (33, 558227), (101, 182391), (303, 60797), (1111, 16581), (3333, 5527)]