678415095

素因数分解:

$3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{12227}}^1$

素因数の和:12381

約数の個数: 40

約数和(自身を含む): 1225098864

約数和(自身を除く): 546683769

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 137, 405, 411, 685, 1233, 2055, 3699, 6165, 11097, 12227, 18495, 36681, 55485, 61135, 110043, 183405, 330129, 550215, 990387, 1650645, 1675099, 4951935, 5025297, 8375495, 15075891, 25126485, 45227673, 75379455, 135683019, 226138365, 678415095]

約数ペア:

[(1, 678415095), (3, 226138365), (5, 135683019), (9, 75379455), (15, 45227673), (27, 25126485), (45, 15075891), (81, 8375495), (135, 5025297), (137, 4951935), (405, 1675099), (411, 1650645), (685, 990387), (1233, 550215), (2055, 330129), (3699, 183405), (6165, 110043), (11097, 61135), (12227, 55485), (18495, 36681)]