1391943

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 2290032

約数和(自身を除く): 898089

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 557, 833, 1671, 2499, 3899, 9469, 11697, 27293, 28407, 66283, 81879, 198849, 463981, 1391943]

約数ペア:

[(1, 1391943), (3, 463981), (7, 198849), (17, 81879), (21, 66283), (49, 28407), (51, 27293), (119, 11697), (147, 9469), (357, 3899), (557, 2499), (833, 1671)]