51428979

素因数分解:

$3^3\times 7^2\times {\mathrm{38873}}^1$

素因数の和:38896

約数の個数: 24

約数和(自身を含む): 88632720

約数和(自身を除く): 37203741

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 38873, 116619, 272111, 349857, 816333, 1049571, 1904777, 2448999, 5714331, 7346997, 17142993, 51428979]

約数ペア:

[(1, 51428979), (3, 17142993), (7, 7346997), (9, 5714331), (21, 2448999), (27, 1904777), (49, 1049571), (63, 816333), (147, 349857), (189, 272111), (441, 116619), (1323, 38873)]