68928909

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{18973}}^1$

素因数の和:19156

約数の個数: 16

約数和(自身を含む): 105647232

約数和(自身を除く): 36718323

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 18973, 56919, 132811, 398433, 3282329, 9846987, 22976303, 68928909]

約数ペア:

[(1, 68928909), (3, 22976303), (7, 9846987), (21, 3282329), (173, 398433), (519, 132811), (1211, 56919), (3633, 18973)]