858555855

素因数分解:

$3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23819}}^1$

素因数の和:23925

約数の個数: 40

約数和(自身を含む): 1556398800

約数和(自身を除く): 697842945

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 267, 405, 445, 801, 1335, 2403, 4005, 7209, 12015, 23819, 36045, 71457, 119095, 214371, 357285, 643113, 1071855, 1929339, 2119891, 3215565, 6359673, 9646695, 10599455, 19079019, 31798365, 57237057, 95395095, 171711171, 286185285, 858555855]

約数ペア:

[(1, 858555855), (3, 286185285), (5, 171711171), (9, 95395095), (15, 57237057), (27, 31798365), (45, 19079019), (81, 10599455), (89, 9646695), (135, 6359673), (267, 3215565), (405, 2119891), (445, 1929339), (801, 1071855), (1335, 643113), (2403, 357285), (4005, 214371), (7209, 119095), (12015, 71457), (23819, 36045)]