80378739

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{29671}}^1$

素因数の和:29727

約数の個数: 24

約数和(自身を含む): 135779072

約数和(自身を除く): 55400333

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 29671, 89013, 207697, 267039, 623091, 1275853, 1869273, 3827559, 8930971, 11482677, 26792913, 80378739]

約数ペア:

[(1, 80378739), (3, 26792913), (7, 11482677), (9, 8930971), (21, 3827559), (43, 1869273), (63, 1275853), (129, 623091), (301, 267039), (387, 207697), (903, 89013), (2709, 29671)]