1005921

素因数分解:

$3^2\times 7^2\times {\mathrm{2281}}^1$

素因数の和:2301

約数の個数: 18

約数和(自身を含む): 1690962

約数和(自身を除く): 685041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 2281, 6843, 15967, 20529, 47901, 111769, 143703, 335307, 1005921]

約数ペア:

[(1, 1005921), (3, 335307), (7, 143703), (9, 111769), (21, 47901), (49, 20529), (63, 15967), (147, 6843), (441, 2281)]