25279215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6823}}^1$

素因数の和:6863

約数の個数: 32

約数和(自身を含む): 45857280

約数和(自身を除く): 20578065

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 6823, 20469, 34115, 88699, 102345, 129637, 266097, 388911, 443495, 648185, 1330485, 1685281, 1944555, 5055843, 8426405, 25279215]

約数ペア:

[(1, 25279215), (3, 8426405), (5, 5055843), (13, 1944555), (15, 1685281), (19, 1330485), (39, 648185), (57, 443495), (65, 388911), (95, 266097), (195, 129637), (247, 102345), (285, 88699), (741, 34115), (1235, 20469), (3705, 6823)]