249519081

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{3079}}^1$

素因数の和:3333

約数の個数: 32

約数和(自身を含む): 404490240

約数和(自身を除く): 154971159

約数列:

[1, 3, 7, 17, 21, 51, 119, 227, 357, 681, 1589, 3079, 3859, 4767, 9237, 11577, 21553, 27013, 52343, 64659, 81039, 157029, 366401, 698933, 1099203, 2096799, 4892531, 11881861, 14677593, 35645583, 83173027, 249519081]

約数ペア:

[(1, 249519081), (3, 83173027), (7, 35645583), (17, 14677593), (21, 11881861), (51, 4892531), (119, 2096799), (227, 1099203), (357, 698933), (681, 366401), (1589, 157029), (3079, 81039), (3859, 64659), (4767, 52343), (9237, 27013), (11577, 21553)]