397222713

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{5209}}^1$

素因数の和:5481

約数の個数: 24

約数和(自身を含む): 591960200

約数和(自身を除く): 194737487

約数列:

[1, 3, 9, 37, 111, 229, 333, 687, 2061, 5209, 8473, 15627, 25419, 46881, 76257, 192733, 578199, 1192861, 1734597, 3578583, 10735749, 44135857, 132407571, 397222713]

約数ペア:

[(1, 397222713), (3, 132407571), (9, 44135857), (37, 10735749), (111, 3578583), (229, 1734597), (333, 1192861), (687, 578199), (2061, 192733), (5209, 76257), (8473, 46881), (15627, 25419)]