66789615

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 110186496

約数和(自身を除く): 43396881

約数列:

[1, 3, 5, 15, 41, 123, 205, 223, 487, 615, 669, 1115, 1461, 2435, 3345, 7305, 9143, 19967, 27429, 45715, 59901, 99835, 108601, 137145, 299505, 325803, 543005, 1629015, 4452641, 13357923, 22263205, 66789615]

約数ペア:

[(1, 66789615), (3, 22263205), (5, 13357923), (15, 4452641), (41, 1629015), (123, 543005), (205, 325803), (223, 299505), (487, 137145), (615, 108601), (669, 99835), (1115, 59901), (1461, 45715), (2435, 27429), (3345, 19967), (7305, 9143)]