320789427

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{17183}}^1$

素因数の和:17327

約数の個数: 24

約数和(自身を含む): 501497856

約数和(自身を除く): 180708429

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 889, 2667, 6223, 17183, 18669, 51549, 120281, 360843, 841967, 2182241, 2525901, 6546723, 15275687, 45827061, 106929809, 320789427]

約数ペア:

[(1, 320789427), (3, 106929809), (7, 45827061), (21, 15275687), (49, 6546723), (127, 2525901), (147, 2182241), (381, 841967), (889, 360843), (2667, 120281), (6223, 51549), (17183, 18669)]