221566659

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1409}}^1$

素因数の和:1531

約数の個数: 32

約数和(自身を含む): 321615360

約数和(自身を除く): 100048701

約数列:

[1, 3, 23, 43, 53, 69, 129, 159, 989, 1219, 1409, 2279, 2967, 3657, 4227, 6837, 32407, 52417, 60587, 74677, 97221, 157251, 181761, 224031, 1393501, 1717571, 3211111, 4180503, 5152713, 9633333, 73855553, 221566659]

約数ペア:

[(1, 221566659), (3, 73855553), (23, 9633333), (43, 5152713), (53, 4180503), (69, 3211111), (129, 1717571), (159, 1393501), (989, 224031), (1219, 181761), (1409, 157251), (2279, 97221), (2967, 74677), (3657, 60587), (4227, 52417), (6837, 32407)]