258535809

素因数分解:

$3^2\times 7^2\times {\mathrm{313}}^1\times {\mathrm{1873}}^1$

素因数の和:2206

約数の個数: 36

約数和(自身を含む): 436031076

約数和(自身を除く): 177495267

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 313, 441, 939, 1873, 2191, 2817, 5619, 6573, 13111, 15337, 16857, 19719, 39333, 46011, 91777, 117999, 138033, 275331, 586249, 825993, 1758747, 4103743, 5276241, 12311229, 28726201, 36933687, 86178603, 258535809]

約数ペア:

[(1, 258535809), (3, 86178603), (7, 36933687), (9, 28726201), (21, 12311229), (49, 5276241), (63, 4103743), (147, 1758747), (313, 825993), (441, 586249), (939, 275331), (1873, 138033), (2191, 117999), (2817, 91777), (5619, 46011), (6573, 39333), (13111, 19719), (15337, 16857)]