2108706915

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{26321}}^1$

素因数の和:26452

約数の個数: 48

約数和(自身を含む): 3960934560

約数和(自身を除く): 1852227645

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 109, 147, 245, 327, 545, 735, 763, 1635, 2289, 3815, 5341, 11445, 16023, 26321, 26705, 78963, 80115, 131605, 184247, 394815, 552741, 921235, 1289729, 2763705, 2868989, 3869187, 6448645, 8606967, 14344945, 19345935, 20082923, 43034835, 60248769, 100414615, 140580461, 301243845, 421741383, 702902305, 2108706915]

約数ペア:

[(1, 2108706915), (3, 702902305), (5, 421741383), (7, 301243845), (15, 140580461), (21, 100414615), (35, 60248769), (49, 43034835), (105, 20082923), (109, 19345935), (147, 14344945), (245, 8606967), (327, 6448645), (545, 3869187), (735, 2868989), (763, 2763705), (1635, 1289729), (2289, 921235), (3815, 552741), (5341, 394815), (11445, 184247), (16023, 131605), (26321, 80115), (26705, 78963)]