2079968355

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^2\times {\mathrm{397}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 3725948640

約数和(自身を除く): 1645980285

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 397, 591, 985, 1191, 1773, 1985, 2955, 3573, 5319, 5955, 8865, 10719, 17865, 26595, 38809, 53595, 78209, 116427, 194045, 234627, 349281, 391045, 582135, 703881, 1047843, 1173135, 1746405, 2111643, 3519405, 5239215, 10558215, 15407173, 46221519, 77035865, 138664557, 231107595, 415993671, 693322785, 2079968355]

約数ペア:

[(1, 2079968355), (3, 693322785), (5, 415993671), (9, 231107595), (15, 138664557), (27, 77035865), (45, 46221519), (135, 15407173), (197, 10558215), (397, 5239215), (591, 3519405), (985, 2111643), (1191, 1746405), (1773, 1173135), (1985, 1047843), (2955, 703881), (3573, 582135), (5319, 391045), (5955, 349281), (8865, 234627), (10719, 194045), (17865, 116427), (26595, 78209), (38809, 53595)]