25260039

素因数分解:

$3^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 44387040

約数和(自身を除く): 19127001

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 147, 183, 189, 313, 427, 441, 549, 939, 1281, 1323, 1647, 2191, 2817, 2989, 3843, 6573, 8451, 8967, 11529, 15337, 19093, 19719, 26901, 46011, 57279, 59157, 80703, 133651, 138033, 171837, 400953, 414099, 515511, 935557, 1202859, 2806671, 3608577, 8420013, 25260039]

約数ペア:

[(1, 25260039), (3, 8420013), (7, 3608577), (9, 2806671), (21, 1202859), (27, 935557), (49, 515511), (61, 414099), (63, 400953), (147, 171837), (183, 138033), (189, 133651), (313, 80703), (427, 59157), (441, 57279), (549, 46011), (939, 26901), (1281, 19719), (1323, 19093), (1647, 15337), (2191, 11529), (2817, 8967), (2989, 8451), (3843, 6573)]