40004013

素因数分解:

$3^1\times 7^1\times {\mathrm{1181}}^1\times {\mathrm{1613}}^1$

素因数の和:2804

約数の個数: 16

約数和(自身を含む): 61047936

約数和(自身を除く): 21043923

約数列:

[1, 3, 7, 21, 1181, 1613, 3543, 4839, 8267, 11291, 24801, 33873, 1904953, 5714859, 13334671, 40004013]

約数ペア:

[(1, 40004013), (3, 13334671), (7, 5714859), (21, 1904953), (1181, 33873), (1613, 24801), (3543, 11291), (4839, 8267)]