28448745

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3943}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 50356992

約数和(自身を除く): 21908247

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 3943, 7215, 11829, 19715, 51259, 59145, 145891, 153777, 256295, 437673, 729455, 768885, 1896583, 2188365, 5689749, 9482915, 28448745]

約数ペア:

[(1, 28448745), (3, 9482915), (5, 5689749), (13, 2188365), (15, 1896583), (37, 768885), (39, 729455), (65, 437673), (111, 256295), (185, 153777), (195, 145891), (481, 59145), (555, 51259), (1443, 19715), (2405, 11829), (3943, 7215)]