23147943

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{12113}}^1$

素因数の和:12143

約数の個数: 24

約数和(自身を含む): 38667888

約数和(自身を除く): 15519945

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 12113, 36339, 84791, 157469, 254373, 472407, 593537, 1102283, 1780611, 3306849, 7715981, 23147943]

約数ペア:

[(1, 23147943), (3, 7715981), (7, 3306849), (13, 1780611), (21, 1102283), (39, 593537), (49, 472407), (91, 254373), (147, 157469), (273, 84791), (637, 36339), (1911, 12113)]