212920913

素因数分解:

${\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{9817}}^1$

素因数の和:9904

約数の個数: 12

約数和(自身を含む): 228032868

約数和(自身を除く): 15111955

約数列:

[1, 23, 41, 529, 943, 9817, 21689, 225791, 402497, 5193193, 9257431, 212920913]

約数ペア:

[(1, 212920913), (23, 9257431), (41, 5193193), (529, 402497), (943, 225791), (9817, 21689)]