81278154

素因数分解:

$2^1\times 3^5\times {\mathrm{41}}^1\times {\mathrm{4079}}^1$

素因数の和:4137

約数の個数: 48

約数和(自身を含む): 187125120

約数和(自身を除く): 105846966

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 243, 246, 369, 486, 738, 1107, 2214, 3321, 4079, 6642, 8158, 9963, 12237, 19926, 24474, 36711, 73422, 110133, 167239, 220266, 330399, 334478, 501717, 660798, 991197, 1003434, 1505151, 1982394, 3010302, 4515453, 9030906, 13546359, 27092718, 40639077, 81278154]

約数ペア:

[(1, 81278154), (2, 40639077), (3, 27092718), (6, 13546359), (9, 9030906), (18, 4515453), (27, 3010302), (41, 1982394), (54, 1505151), (81, 1003434), (82, 991197), (123, 660798), (162, 501717), (243, 334478), (246, 330399), (369, 220266), (486, 167239), (738, 110133), (1107, 73422), (2214, 36711), (3321, 24474), (4079, 19926), (6642, 12237), (8158, 9963)]