81245605

素因数分解:

$5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{7013}}^1$

素因数の和:7356

約数の個数: 16

約数和(自身を含む): 111775104

約数和(自身を除く): 30529499

約数列:

[1, 5, 7, 35, 331, 1655, 2317, 7013, 11585, 35065, 49091, 245455, 2321303, 11606515, 16249121, 81245605]

約数ペア:

[(1, 81245605), (5, 16249121), (7, 11606515), (35, 2321303), (331, 245455), (1655, 49091), (2317, 35065), (7013, 11585)]