81369215

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{13687}}^1$

素因数の和:13762

約数の個数: 16

約数和(自身を含む): 103481280

約数和(自身を除く): 22112065

約数列:

[1, 5, 29, 41, 145, 205, 1189, 5945, 13687, 68435, 396923, 561167, 1984615, 2805835, 16273843, 81369215]

約数ペア:

[(1, 81369215), (5, 16273843), (29, 2805835), (41, 1984615), (145, 561167), (205, 396923), (1189, 68435), (5945, 13687)]