28938945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{521}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 55423872

約数和(自身を除く): 26484927

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 521, 529, 805, 1563, 1587, 2415, 2605, 2645, 3647, 3703, 7815, 7935, 10941, 11109, 11983, 18235, 18515, 35949, 54705, 55545, 59915, 83881, 179745, 251643, 275609, 419405, 826827, 1258215, 1378045, 1929263, 4134135, 5787789, 9646315, 28938945]

約数ペア:

[(1, 28938945), (3, 9646315), (5, 5787789), (7, 4134135), (15, 1929263), (21, 1378045), (23, 1258215), (35, 826827), (69, 419405), (105, 275609), (115, 251643), (161, 179745), (345, 83881), (483, 59915), (521, 55545), (529, 54705), (805, 35949), (1563, 18515), (1587, 18235), (2415, 11983), (2605, 11109), (2645, 10941), (3647, 7935), (3703, 7815)]