42505281

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51899}}^1$

素因数の和:51925

約数の個数: 24

約数和(自身を含む): 75566400

約数和(自身を除く): 33061119

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 51899, 155697, 363293, 467091, 674687, 1089879, 2024061, 3269637, 4722809, 6072183, 14168427, 42505281]

約数ペア:

[(1, 42505281), (3, 14168427), (7, 6072183), (9, 4722809), (13, 3269637), (21, 2024061), (39, 1089879), (63, 674687), (91, 467091), (117, 363293), (273, 155697), (819, 51899)]