28885995

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9041}}^1$

素因数の和:9123

約数の個数: 24

約数和(自身を含む): 50779872

約数和(自身を除く): 21893877

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 9041, 27123, 45205, 81369, 135615, 406845, 641911, 1925733, 3209555, 5777199, 9628665, 28885995]

約数ペア:

[(1, 28885995), (3, 9628665), (5, 5777199), (9, 3209555), (15, 1925733), (45, 641911), (71, 406845), (213, 135615), (355, 81369), (639, 45205), (1065, 27123), (3195, 9041)]