87878601

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{2789}}^1$

素因数の和:3190

約数の個数: 20

約数和(自身を含む): 131660100

約数和(自身を除く): 43781499

約数列:

[1, 3, 9, 27, 81, 389, 1167, 2789, 3501, 8367, 10503, 25101, 31509, 75303, 225909, 1084921, 3254763, 9764289, 29292867, 87878601]

約数ペア:

[(1, 87878601), (3, 29292867), (9, 9764289), (27, 3254763), (81, 1084921), (389, 225909), (1167, 75303), (2789, 31509), (3501, 25101), (8367, 10503)]