251392323

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{40037}}^1$

素因数の和:40083

約数の個数: 32

約数和(自身を含む): 430488576

約数和(自身を除く): 179096253

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 6279, 40037, 120111, 280259, 520481, 840777, 920851, 1561443, 2762553, 3643367, 6445957, 10930101, 11971063, 19337871, 35913189, 83797441, 251392323]

約数ペア:

[(1, 251392323), (3, 83797441), (7, 35913189), (13, 19337871), (21, 11971063), (23, 10930101), (39, 6445957), (69, 3643367), (91, 2762553), (161, 1561443), (273, 920851), (299, 840777), (483, 520481), (897, 280259), (2093, 120111), (6279, 40037)]