68991015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{270553}}^1$

素因数の和:270578

約数の個数: 16

約数和(自身を含む): 116879328

約数和(自身を除く): 47888313

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 270553, 811659, 1352765, 4058295, 4599401, 13798203, 22997005, 68991015]

約数ペア:

[(1, 68991015), (3, 22997005), (5, 13798203), (15, 4599401), (17, 4058295), (51, 1352765), (85, 811659), (255, 270553)]