31082331

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 49223680

約数和(自身を除く): 18141349

約数列:

[1, 3, 7, 21, 37, 109, 111, 259, 327, 367, 763, 777, 1101, 2289, 2569, 4033, 7707, 12099, 13579, 28231, 40003, 40737, 84693, 95053, 120009, 280021, 285159, 840063, 1480111, 4440333, 10360777, 31082331]

約数ペア:

[(1, 31082331), (3, 10360777), (7, 4440333), (21, 1480111), (37, 840063), (109, 285159), (111, 280021), (259, 120009), (327, 95053), (367, 84693), (763, 40737), (777, 40003), (1101, 28231), (2289, 13579), (2569, 12099), (4033, 7707)]