156620289

素因数分解:

$3^1\times 7^1\times {\mathrm{2239}}^1\times {\mathrm{3331}}^1$

素因数の和:5580

約数の個数: 16

約数和(自身を含む): 238837760

約数和(自身を除く): 82217471

約数列:

[1, 3, 7, 21, 2239, 3331, 6717, 9993, 15673, 23317, 47019, 69951, 7458109, 22374327, 52206763, 156620289]

約数ペア:

[(1, 156620289), (3, 52206763), (7, 22374327), (21, 7458109), (2239, 69951), (3331, 47019), (6717, 23317), (9993, 15673)]