221796267

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{457}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 374255616

約数和(自身を除く): 152459349

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 191, 231, 363, 457, 573, 847, 1337, 1371, 2101, 2541, 3199, 4011, 5027, 6303, 9597, 14707, 15081, 23111, 35189, 44121, 55297, 69333, 87287, 105567, 161777, 165891, 261861, 387079, 485331, 611009, 960157, 1161237, 1833027, 2880471, 6721099, 10561727, 20163297, 31685181, 73932089, 221796267]

約数ペア:

[(1, 221796267), (3, 73932089), (7, 31685181), (11, 20163297), (21, 10561727), (33, 6721099), (77, 2880471), (121, 1833027), (191, 1161237), (231, 960157), (363, 611009), (457, 485331), (573, 387079), (847, 261861), (1337, 165891), (1371, 161777), (2101, 105567), (2541, 87287), (3199, 69333), (4011, 55297), (5027, 44121), (6303, 35189), (9597, 23111), (14707, 15081)]