68820921

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{65357}}^1$

素因数の和:65382

約数の個数: 20

約数和(自身を含む): 110716452

約数和(自身を除く): 41895531

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 65357, 196071, 588213, 849641, 1764639, 2548923, 5293917, 7646769, 22940307, 68820921]

約数ペア:

[(1, 68820921), (3, 22940307), (9, 7646769), (13, 5293917), (27, 2548923), (39, 1764639), (81, 849641), (117, 588213), (351, 196071), (1053, 65357)]