208020855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{86137}}^1$

素因数の和:86175

約数の個数: 32

約数和(自身を含む): 396923904

約数和(自身を除く): 188903049

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 86137, 258411, 430685, 602959, 1292055, 1808877, 1981151, 3014795, 5943453, 9044385, 9905755, 13868057, 29717265, 41604171, 69340285, 208020855]

約数ペア:

[(1, 208020855), (3, 69340285), (5, 41604171), (7, 29717265), (15, 13868057), (21, 9905755), (23, 9044385), (35, 5943453), (69, 3014795), (105, 1981151), (115, 1808877), (161, 1292055), (345, 602959), (483, 430685), (805, 258411), (2415, 86137)]