81585198

素因数分解:

$2^1\times 3^3\times {\mathrm{641}}^1\times {\mathrm{2357}}^1$

素因数の和:3009

約数の個数: 32

約数和(自身を含む): 181660320

約数和(自身を除く): 100075122

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 641, 1282, 1923, 2357, 3846, 4714, 5769, 7071, 11538, 14142, 17307, 21213, 34614, 42426, 63639, 127278, 1510837, 3021674, 4532511, 9065022, 13597533, 27195066, 40792599, 81585198]

約数ペア:

[(1, 81585198), (2, 40792599), (3, 27195066), (6, 13597533), (9, 9065022), (18, 4532511), (27, 3021674), (54, 1510837), (641, 127278), (1282, 63639), (1923, 42426), (2357, 34614), (3846, 21213), (4714, 17307), (5769, 14142), (7071, 11538)]