31430553

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1321}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 52795392

約数和(自身を除く): 21364839

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 1133, 1321, 2163, 3399, 3963, 7931, 9247, 14531, 23793, 27741, 43593, 101717, 136063, 305151, 408189, 952441, 1496693, 2857323, 4490079, 10476851, 31430553]

約数ペア:

[(1, 31430553), (3, 10476851), (7, 4490079), (11, 2857323), (21, 1496693), (33, 952441), (77, 408189), (103, 305151), (231, 136063), (309, 101717), (721, 43593), (1133, 27741), (1321, 23793), (2163, 14531), (3399, 9247), (3963, 7931)]