40319109

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{271}}^2$

素因数の和:609

約数の個数: 18

約数和(自身を含む): 59412678

約数和(自身を除く): 19093569

約数列:

[1, 3, 9, 61, 183, 271, 549, 813, 2439, 16531, 49593, 73441, 148779, 220323, 660969, 4479901, 13439703, 40319109]

約数ペア:

[(1, 40319109), (3, 13439703), (9, 4479901), (61, 660969), (183, 220323), (271, 148779), (549, 73441), (813, 49593), (2439, 16531)]