30440205

素因数分解:

$3^4\times 5^1\times {\mathrm{75161}}^1$

素因数の和:75178

約数の個数: 20

約数和(自身を含む): 54567612

約数和(自身を除く): 24127407

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 75161, 225483, 375805, 676449, 1127415, 2029347, 3382245, 6088041, 10146735, 30440205]

約数ペア:

[(1, 30440205), (3, 10146735), (5, 6088041), (9, 3382245), (15, 2029347), (27, 1127415), (45, 676449), (81, 375805), (135, 225483), (405, 75161)]