2178719919

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{198589}}^1$

素因数の和:198671

約数の個数: 24

約数和(自身を含む): 3345844320

約数和(自身を除く): 1167124401

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 3657, 10971, 198589, 595767, 1787301, 4567547, 10525217, 13702641, 31575651, 41107923, 94726953, 242079991, 726239973, 2178719919]

約数ペア:

[(1, 2178719919), (3, 726239973), (9, 242079991), (23, 94726953), (53, 41107923), (69, 31575651), (159, 13702641), (207, 10525217), (477, 4567547), (1219, 1787301), (3657, 595767), (10971, 198589)]