216522873

素因数分解:

$3^2\times 7^1\times {\mathrm{3436871}}^1$

素因数の和:3436884

約数の個数: 12

約数和(自身を含む): 357434688

約数和(自身を除く): 140911815

約数列:

[1, 3, 7, 9, 21, 63, 3436871, 10310613, 24058097, 30931839, 72174291, 216522873]

約数ペア:

[(1, 216522873), (3, 72174291), (7, 30931839), (9, 24058097), (21, 10310613), (63, 3436871)]