2738547

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2557}}^1$

素因数の和:2587

約数の個数: 24

約数和(自身を含む): 4788576

約数和(自身を除く): 2050029

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 2557, 7671, 17899, 23013, 43469, 53697, 130407, 161091, 304283, 391221, 912849, 2738547]

約数ペア:

[(1, 2738547), (3, 912849), (7, 391221), (9, 304283), (17, 161091), (21, 130407), (51, 53697), (63, 43469), (119, 23013), (153, 17899), (357, 7671), (1071, 2557)]