221148711

素因数分解:

$3^6\times 7^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:224

約数の個数: 84

約数和(自身を含む): 397729584

約数和(自身を除く): 176580873

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 81, 123, 147, 151, 189, 243, 287, 369, 441, 453, 567, 729, 861, 1057, 1107, 1323, 1359, 1701, 2009, 2583, 3171, 3321, 3969, 4077, 5103, 6027, 6191, 7399, 7749, 9513, 9963, 11907, 12231, 18081, 18573, 22197, 23247, 28539, 29889, 35721, 36693, 43337, 54243, 55719, 66591, 69741, 85617, 110079, 130011, 162729, 167157, 199773, 209223, 256851, 303359, 390033, 488187, 501471, 599319, 770553, 910077, 1170099, 1464561, 1504413, 1797957, 2730231, 3510297, 4513239, 5393871, 8190693, 10530891, 24572079, 31592673, 73716237, 221148711]

約数ペア:

[(1, 221148711), (3, 73716237), (7, 31592673), (9, 24572079), (21, 10530891), (27, 8190693), (41, 5393871), (49, 4513239), (63, 3510297), (81, 2730231), (123, 1797957), (147, 1504413), (151, 1464561), (189, 1170099), (243, 910077), (287, 770553), (369, 599319), (441, 501471), (453, 488187), (567, 390033), (729, 303359), (861, 256851), (1057, 209223), (1107, 199773), (1323, 167157), (1359, 162729), (1701, 130011), (2009, 110079), (2583, 85617), (3171, 69741), (3321, 66591), (3969, 55719), (4077, 54243), (5103, 43337), (6027, 36693), (6191, 35721), (7399, 29889), (7749, 28539), (9513, 23247), (9963, 22197), (11907, 18573), (12231, 18081)]