71876889

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1163}}^1$

素因数の和:1291

約数の個数: 40

約数和(自身を含む): 123942720

約数和(自身を除く): 52065831

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 327, 567, 763, 981, 1163, 2289, 2943, 3489, 6867, 8141, 8829, 10467, 20601, 24423, 31401, 61803, 73269, 94203, 126767, 219807, 380301, 659421, 887369, 1140903, 2662107, 3422709, 7986321, 10268127, 23958963, 71876889]

約数ペア:

[(1, 71876889), (3, 23958963), (7, 10268127), (9, 7986321), (21, 3422709), (27, 2662107), (63, 1140903), (81, 887369), (109, 659421), (189, 380301), (327, 219807), (567, 126767), (763, 94203), (981, 73269), (1163, 61803), (2289, 31401), (2943, 24423), (3489, 20601), (6867, 10467), (8141, 8829)]