40868991

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 61102080

約数和(自身を除く): 20233089

約数列:

[1, 3, 9, 47, 79, 141, 237, 423, 711, 1223, 3669, 3713, 11007, 11139, 33417, 57481, 96617, 172443, 289851, 517329, 869553, 4540999, 13622997, 40868991]

約数ペア:

[(1, 40868991), (3, 13622997), (9, 4540999), (47, 869553), (79, 517329), (141, 289851), (237, 172443), (423, 96617), (711, 57481), (1223, 33417), (3669, 11139), (3713, 11007)]