213856553727

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{791191}}^1$

素因数の和:791321

約数の個数: 40

約数和(自身を含む): 330857505792

約数和(自身を除く): 117000952065

約数列:

[1, 3, 9, 27, 47, 71, 81, 141, 213, 423, 639, 1269, 1917, 3337, 3807, 5751, 10011, 30033, 90099, 270297, 791191, 2373573, 7120719, 21362157, 37185977, 56174561, 64086471, 111557931, 168523683, 334673793, 505571049, 1004021379, 1516713147, 2640204367, 3012064137, 4550139441, 7920613101, 23761839303, 71285517909, 213856553727]

約数ペア:

[(1, 213856553727), (3, 71285517909), (9, 23761839303), (27, 7920613101), (47, 4550139441), (71, 3012064137), (81, 2640204367), (141, 1516713147), (213, 1004021379), (423, 505571049), (639, 334673793), (1269, 168523683), (1917, 111557931), (3337, 64086471), (3807, 56174561), (5751, 37185977), (10011, 21362157), (30033, 7120719), (90099, 2373573), (270297, 791191)]