890097957

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{647}}^1$

素因数の和:943

約数の個数: 64

約数和(自身を含む): 1567641600

約数和(自身を除く): 677543643

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 251, 261, 609, 647, 753, 783, 1757, 1827, 1941, 2259, 4529, 5271, 5481, 5823, 6777, 7279, 13587, 15813, 17469, 18763, 21837, 40761, 47439, 50953, 56289, 65511, 122283, 131341, 152859, 162397, 168867, 196533, 394023, 458577, 487191, 506601, 1136779, 1182069, 1375731, 1461573, 3410337, 3546207, 4384719, 4709513, 10231011, 14128539, 30693033, 32966591, 42385617, 98899773, 127156851, 296699319, 890097957]

約数ペア:

[(1, 890097957), (3, 296699319), (7, 127156851), (9, 98899773), (21, 42385617), (27, 32966591), (29, 30693033), (63, 14128539), (87, 10231011), (189, 4709513), (203, 4384719), (251, 3546207), (261, 3410337), (609, 1461573), (647, 1375731), (753, 1182069), (783, 1136779), (1757, 506601), (1827, 487191), (1941, 458577), (2259, 394023), (4529, 196533), (5271, 168867), (5481, 162397), (5823, 152859), (6777, 131341), (7279, 122283), (13587, 65511), (15813, 56289), (17469, 50953), (18763, 47439), (21837, 40761)]