40005531

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 60010496

約数和(自身を除く): 20004965

約数列:

[1, 3, 9, 31, 93, 223, 279, 643, 669, 1929, 2007, 5787, 6913, 19933, 20739, 59799, 62217, 143389, 179397, 430167, 1290501, 4445059, 13335177, 40005531]

約数ペア:

[(1, 40005531), (3, 13335177), (9, 4445059), (31, 1290501), (93, 430167), (223, 179397), (279, 143389), (643, 62217), (669, 59799), (1929, 20739), (2007, 19933), (5787, 6913)]