81837015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5749}}^1$

素因数の和:5843

約数の個数: 32

約数和(自身を含む): 142968000

約数和(自身を除く): 61130985

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 195, 219, 365, 949, 1095, 2847, 4745, 5749, 14235, 17247, 28745, 74737, 86235, 224211, 373685, 419677, 1121055, 1259031, 2098385, 5455801, 6295155, 16367403, 27279005, 81837015]

約数ペア:

[(1, 81837015), (3, 27279005), (5, 16367403), (13, 6295155), (15, 5455801), (39, 2098385), (65, 1259031), (73, 1121055), (195, 419677), (219, 373685), (365, 224211), (949, 86235), (1095, 74737), (2847, 28745), (4745, 17247), (5749, 14235)]