20140491

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{3821}}^1$

素因数の和:4082

約数の個数: 16

約数和(自身を含む): 30820608

約数和(自身を除く): 10680117

約数列:

[1, 3, 7, 21, 251, 753, 1757, 3821, 5271, 11463, 26747, 80241, 959071, 2877213, 6713497, 20140491]

約数ペア:

[(1, 20140491), (3, 6713497), (7, 2877213), (21, 959071), (251, 80241), (753, 26747), (1757, 11463), (3821, 5271)]