217064169

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{8069}}^1$

素因数の和:8150

約数の個数: 36

約数和(自身を含む): 370751940

約数和(自身を除く): 153687771

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 427, 441, 549, 1281, 2989, 3843, 8069, 8967, 24207, 26901, 56483, 72621, 169449, 395381, 492209, 508347, 1186143, 1476627, 3445463, 3558429, 4429881, 10336389, 24118241, 31009167, 72354723, 217064169]

約数ペア:

[(1, 217064169), (3, 72354723), (7, 31009167), (9, 24118241), (21, 10336389), (49, 4429881), (61, 3558429), (63, 3445463), (147, 1476627), (183, 1186143), (427, 508347), (441, 492209), (549, 395381), (1281, 169449), (2989, 72621), (3843, 56483), (8069, 26901), (8967, 24207)]