31788795

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 52992000

約数和(自身を除く): 21203205

約数列:

[1, 3, 5, 15, 31, 93, 137, 155, 411, 465, 499, 685, 1497, 2055, 2495, 4247, 7485, 12741, 15469, 21235, 46407, 63705, 68363, 77345, 205089, 232035, 341815, 1025445, 2119253, 6357759, 10596265, 31788795]

約数ペア:

[(1, 31788795), (3, 10596265), (5, 6357759), (15, 2119253), (31, 1025445), (93, 341815), (137, 232035), (155, 205089), (411, 77345), (465, 68363), (499, 63705), (685, 46407), (1497, 21235), (2055, 15469), (2495, 12741), (4247, 7485)]