217170723

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25409}}^1$

素因数の和:25467

約数の個数: 32

約数和(自身を含む): 370782720

約数和(自身を除く): 153611997

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 8547, 25409, 76227, 177863, 279499, 533589, 838497, 940133, 1956493, 2820399, 5869479, 6580931, 10341463, 19742793, 31024389, 72390241, 217170723]

約数ペア:

[(1, 217170723), (3, 72390241), (7, 31024389), (11, 19742793), (21, 10341463), (33, 6580931), (37, 5869479), (77, 2820399), (111, 1956493), (231, 940133), (259, 838497), (407, 533589), (777, 279499), (1221, 177863), (2849, 76227), (8547, 25409)]