1258502721

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{65353}}^1$

素因数の和:65501

約数の個数: 24

約数和(自身を含む): 1966893984

約数和(自身を除く): 708391263

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 2751, 6419, 19257, 65353, 196059, 457471, 1372413, 3202297, 8561243, 9606891, 25683729, 59928701, 179786103, 419500907, 1258502721]

約数ペア:

[(1, 1258502721), (3, 419500907), (7, 179786103), (21, 59928701), (49, 25683729), (131, 9606891), (147, 8561243), (393, 3202297), (917, 1372413), (2751, 457471), (6419, 196059), (19257, 65353)]