31277691

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 48153600

約数和(自身を除く): 16875909

約数列:

[1, 3, 9, 27, 37, 111, 131, 239, 333, 393, 717, 999, 1179, 2151, 3537, 4847, 6453, 8843, 14541, 26529, 31309, 43623, 79587, 93927, 130869, 238761, 281781, 845343, 1158433, 3475299, 10425897, 31277691]

約数ペア:

[(1, 31277691), (3, 10425897), (9, 3475299), (27, 1158433), (37, 845343), (111, 281781), (131, 238761), (239, 130869), (333, 93927), (393, 79587), (717, 43623), (999, 31309), (1179, 26529), (2151, 14541), (3537, 8843), (4847, 6453)]