205515873

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{149249}}^1$

素因数の和:149278

約数の個数: 20

約数和(自身を含む): 325066500

約数和(自身を除く): 119550627

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 149249, 447747, 1343241, 2537233, 4029723, 7611699, 12089169, 22835097, 68505291, 205515873]

約数ペア:

[(1, 205515873), (3, 68505291), (9, 22835097), (17, 12089169), (27, 7611699), (51, 4029723), (81, 2537233), (153, 1343241), (459, 447747), (1377, 149249)]