128220615

素因数分解:

$3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{7639}}^1$

素因数の和:8023

約数の個数: 24

約数和(自身を含む): 222874080

約数和(自身を除く): 94653465

約数列:

[1, 3, 5, 9, 15, 45, 373, 1119, 1865, 3357, 5595, 7639, 16785, 22917, 38195, 68751, 114585, 343755, 2849347, 8548041, 14246735, 25644123, 42740205, 128220615]

約数ペア:

[(1, 128220615), (3, 42740205), (5, 25644123), (9, 14246735), (15, 8548041), (45, 2849347), (373, 343755), (1119, 114585), (1865, 68751), (3357, 38195), (5595, 22917), (7639, 16785)]