2021920155

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{342989}}^1$

素因数の和:343131

約数の個数: 24

約数和(自身を含む): 3531425040

約数和(自身を除く): 1509504885

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 342989, 1028967, 1714945, 3086901, 5144835, 15434505, 44931559, 134794677, 224657795, 404384031, 673973385, 2021920155]

約数ペア:

[(1, 2021920155), (3, 673973385), (5, 404384031), (9, 224657795), (15, 134794677), (45, 44931559), (131, 15434505), (393, 5144835), (655, 3086901), (1179, 1714945), (1965, 1028967), (5895, 342989)]