66869985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{48989}}^1$

素因数の和:49017

約数の個数: 32

約数和(自身を含む): 131685120

約数和(自身を除く): 64815135

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 48989, 146967, 244945, 342923, 636857, 734835, 1028769, 1714615, 1910571, 3184285, 4457999, 5143845, 9552855, 13373997, 22289995, 66869985]

約数ペア:

[(1, 66869985), (3, 22289995), (5, 13373997), (7, 9552855), (13, 5143845), (15, 4457999), (21, 3184285), (35, 1910571), (39, 1714615), (65, 1028769), (91, 734835), (105, 636857), (195, 342923), (273, 244945), (455, 146967), (1365, 48989)]