201330661

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{178643}}^1$

素因数の和:178680

約数の個数: 12

約数和(自身を含む): 244384992

約数和(自身を除く): 43054331

約数列:

[1, 7, 23, 49, 161, 1127, 178643, 1250501, 4108789, 8753507, 28761523, 201330661]

約数ペア:

[(1, 201330661), (7, 28761523), (23, 8753507), (49, 4108789), (161, 1250501), (1127, 178643)]