212428863

素因数分解:

$3^2\times {\mathrm{191}}^2\times {\mathrm{647}}^1$

素因数の和:1035

約数の個数: 18

約数和(自身を含む): 308933352

約数和(自身を除く): 96504489

約数列:

[1, 3, 9, 191, 573, 647, 1719, 1941, 5823, 36481, 109443, 123577, 328329, 370731, 1112193, 23603207, 70809621, 212428863]

約数ペア:

[(1, 212428863), (3, 70809621), (9, 23603207), (191, 1112193), (573, 370731), (647, 328329), (1719, 123577), (1941, 109443), (5823, 36481)]