165491109

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{43063}}^1$

素因数の和:43137

約数の個数: 24

約数和(自身を含む): 277676672

約数和(自身を除く): 112185563

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 43063, 129189, 301441, 387567, 904323, 2626843, 2712969, 7880529, 18387901, 23641587, 55163703, 165491109]

約数ペア:

[(1, 165491109), (3, 55163703), (7, 23641587), (9, 18387901), (21, 7880529), (61, 2712969), (63, 2626843), (183, 904323), (427, 387567), (549, 301441), (1281, 129189), (3843, 43063)]