65891205

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21221}}^1$

素因数の和:21258

約数の個数: 32

約数和(自身を含む): 122238720

約数和(自身を除く): 56347515

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 21221, 63663, 106105, 190989, 318315, 488083, 572967, 954945, 1464249, 2440415, 2864835, 4392747, 7321245, 13178241, 21963735, 65891205]

約数ペア:

[(1, 65891205), (3, 21963735), (5, 13178241), (9, 7321245), (15, 4392747), (23, 2864835), (27, 2440415), (45, 1464249), (69, 954945), (115, 572967), (135, 488083), (207, 318315), (345, 190989), (621, 106105), (1035, 63663), (3105, 21221)]