1155147

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 1788672

約数和(自身を除く): 633525

約数列:

[1, 3, 7, 21, 67, 201, 469, 821, 1407, 2463, 5747, 17241, 55007, 165021, 385049, 1155147]

約数ペア:

[(1, 1155147), (3, 385049), (7, 165021), (21, 55007), (67, 17241), (201, 5747), (469, 2463), (821, 1407)]