31820913

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{467}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 47163168

約数和(自身を除く): 15342255

約数列:

[1, 3, 9, 67, 113, 201, 339, 467, 603, 1017, 1401, 4203, 7571, 22713, 31289, 52771, 68139, 93867, 158313, 281601, 474939, 3535657, 10606971, 31820913]

約数ペア:

[(1, 31820913), (3, 10606971), (9, 3535657), (67, 474939), (113, 281601), (201, 158313), (339, 93867), (467, 68139), (603, 52771), (1017, 31289), (1401, 22713), (4203, 7571)]