68820915

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{158209}}^1$

素因数の和:158246

約数の個数: 16

約数和(自身を含む): 113911200

約数和(自身を除く): 45090285

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 158209, 474627, 791045, 2373135, 4588061, 13764183, 22940305, 68820915]

約数ペア:

[(1, 68820915), (3, 22940305), (5, 13764183), (15, 4588061), (29, 2373135), (87, 791045), (145, 474627), (435, 158209)]