81291438

素因数分解:

$2^1\times 3^4\times {\mathrm{41}}^1\times {\mathrm{12239}}^1$

素因数の和:12294

約数の個数: 40

約数和(自身を含む): 186611040

約数和(自身を除く): 105319602

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 3321, 6642, 12239, 24478, 36717, 73434, 110151, 220302, 330453, 501799, 660906, 991359, 1003598, 1505397, 1982718, 3010794, 4516191, 9032382, 13548573, 27097146, 40645719, 81291438]

約数ペア:

[(1, 81291438), (2, 40645719), (3, 27097146), (6, 13548573), (9, 9032382), (18, 4516191), (27, 3010794), (41, 1982718), (54, 1505397), (81, 1003598), (82, 991359), (123, 660906), (162, 501799), (246, 330453), (369, 220302), (738, 110151), (1107, 73434), (2214, 36717), (3321, 24478), (6642, 12239)]