215721311

素因数分解:

${\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{677}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 235705344

約数和(自身を除く): 19984033

約数列:

[1, 13, 127, 193, 677, 1651, 2509, 8801, 24511, 85979, 130661, 318643, 1117727, 1698593, 16593947, 215721311]

約数ペア:

[(1, 215721311), (13, 16593947), (127, 1698593), (193, 1117727), (677, 318643), (1651, 130661), (2509, 85979), (8801, 24511)]