81282231

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 124416000

約数和(自身を除く): 43133769

約数列:

[1, 3, 9, 27, 53, 79, 159, 237, 477, 711, 719, 1431, 2133, 2157, 4187, 6471, 12561, 19413, 37683, 38107, 56801, 113049, 114321, 170403, 342963, 511209, 1028889, 1533627, 3010453, 9031359, 27094077, 81282231]

約数ペア:

[(1, 81282231), (3, 27094077), (9, 9031359), (27, 3010453), (53, 1533627), (79, 1028889), (159, 511209), (237, 342963), (477, 170403), (711, 114321), (719, 113049), (1431, 56801), (2133, 38107), (2157, 37683), (4187, 19413), (6471, 12561)]