201916491

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{70183}}^1$

素因数の和:70330

約数の個数: 16

約数和(自身を含む): 309932544

約数和(自身を除く): 108016053

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 70183, 210549, 491281, 1473843, 9615071, 28845213, 67305497, 201916491]

約数ペア:

[(1, 201916491), (3, 67305497), (7, 28845213), (21, 9615071), (137, 1473843), (411, 491281), (959, 210549), (2877, 70183)]