157212447

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{440371}}^1$

素因数の和:440398

約数の個数: 16

約数和(自身を含む): 253654272

約数和(自身を除く): 96441825

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 440371, 1321113, 3082597, 7486307, 9247791, 22458921, 52404149, 157212447]

約数ペア:

[(1, 157212447), (3, 52404149), (7, 22458921), (17, 9247791), (21, 7486307), (51, 3082597), (119, 1321113), (357, 440371)]