39980409

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{40507}}^1$

素因数の和:40564

約数の個数: 16

約数和(自身を含む): 62220288

約数和(自身を除く): 22239879

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 40507, 121521, 283549, 850647, 1903829, 5711487, 13326803, 39980409]

約数ペア:

[(1, 39980409), (3, 13326803), (7, 5711487), (21, 1903829), (47, 850647), (141, 283549), (329, 121521), (987, 40507)]