81767718

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{7109}}^1$

素因数の和:7194

約数の個数: 40

約数和(自身を含む): 185826960

約数和(自身を除く): 104059242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1917, 3834, 5751, 7109, 11502, 14218, 21327, 42654, 63981, 127962, 191943, 383886, 504739, 575829, 1009478, 1151658, 1514217, 3028434, 4542651, 9085302, 13627953, 27255906, 40883859, 81767718]

約数ペア:

[(1, 81767718), (2, 40883859), (3, 27255906), (6, 13627953), (9, 9085302), (18, 4542651), (27, 3028434), (54, 1514217), (71, 1151658), (81, 1009478), (142, 575829), (162, 504739), (213, 383886), (426, 191943), (639, 127962), (1278, 63981), (1917, 42654), (3834, 21327), (5751, 14218), (7109, 11502)]