155421903

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{12113}}^1$

素因数の和:12183

約数の個数: 32

約数和(自身を含む): 260499456

約数和(自身を除く): 105077553

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12113, 12831, 36339, 84791, 157469, 254373, 472407, 569311, 1102283, 1707933, 3306849, 3985177, 7401043, 11955531, 22203129, 51807301, 155421903]

約数ペア:

[(1, 155421903), (3, 51807301), (7, 22203129), (13, 11955531), (21, 7401043), (39, 3985177), (47, 3306849), (91, 1707933), (141, 1102283), (273, 569311), (329, 472407), (611, 254373), (987, 157469), (1833, 84791), (4277, 36339), (12113, 12831)]