201131721

素因数分解:

$3^3\times 7^2\times {\mathrm{152027}}^1$

素因数の和:152050

約数の個数: 24

約数和(自身を含む): 346623840

約数和(自身を除く): 145492119

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 152027, 456081, 1064189, 1368243, 3192567, 4104729, 7449323, 9577701, 22347969, 28733103, 67043907, 201131721]

約数ペア:

[(1, 201131721), (3, 67043907), (7, 28733103), (9, 22347969), (21, 9577701), (27, 7449323), (49, 4104729), (63, 3192567), (147, 1368243), (189, 1064189), (441, 456081), (1323, 152027)]