81908295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45887}}^1$

素因数の和:45919

約数の個数: 32

約数和(自身を含む): 158588928

約数和(自身を除く): 76680633

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 45887, 137661, 229435, 321209, 688305, 780079, 963627, 1606045, 2340237, 3900395, 4818135, 5460553, 11701185, 16381659, 27302765, 81908295]

約数ペア:

[(1, 81908295), (3, 27302765), (5, 16381659), (7, 11701185), (15, 5460553), (17, 4818135), (21, 3900395), (35, 2340237), (51, 1606045), (85, 963627), (105, 780079), (119, 688305), (255, 321209), (357, 229435), (595, 137661), (1785, 45887)]