64404639

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2029

約数の個数: 40

約数和(自身を含む): 107006592

約数和(自身を除く): 42601953

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 279, 351, 403, 837, 1053, 1209, 1973, 2511, 3627, 5919, 10881, 17757, 25649, 32643, 53271, 61163, 76947, 159813, 183489, 230841, 550467, 692523, 795119, 1651401, 2077569, 2385357, 4954203, 7156071, 21468213, 64404639]

約数ペア:

[(1, 64404639), (3, 21468213), (9, 7156071), (13, 4954203), (27, 2385357), (31, 2077569), (39, 1651401), (81, 795119), (93, 692523), (117, 550467), (279, 230841), (351, 183489), (403, 159813), (837, 76947), (1053, 61163), (1209, 53271), (1973, 32643), (2511, 25649), (3627, 17757), (5919, 10881)]