80973921

素因数分解:

$3^1\times 7^2\times {\mathrm{550843}}^1$

素因数の和:550860

約数の個数: 12

約数和(自身を含む): 125592432

約数和(自身を除く): 44618511

約数列:

[1, 3, 7, 21, 49, 147, 550843, 1652529, 3855901, 11567703, 26991307, 80973921]

約数ペア:

[(1, 80973921), (3, 26991307), (7, 11567703), (21, 3855901), (49, 1652529), (147, 550843)]