81506628

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:974

約数の個数: 96

約数和(自身を含む): 243640320

約数和(自身を除く): 162133692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 131, 189, 252, 262, 378, 393, 524, 756, 786, 823, 917, 1179, 1572, 1646, 1834, 2358, 2469, 2751, 3292, 3537, 3668, 4716, 4938, 5502, 5761, 7074, 7407, 8253, 9876, 11004, 11522, 14148, 14814, 16506, 17283, 22221, 23044, 24759, 29628, 33012, 34566, 44442, 49518, 51849, 69132, 88884, 99036, 103698, 107813, 155547, 207396, 215626, 311094, 323439, 431252, 622188, 646878, 754691, 970317, 1293756, 1509382, 1940634, 2264073, 2910951, 3018764, 3881268, 4528146, 5821902, 6792219, 9056292, 11643804, 13584438, 20376657, 27168876, 40753314, 81506628]

約数ペア:

[(1, 81506628), (2, 40753314), (3, 27168876), (4, 20376657), (6, 13584438), (7, 11643804), (9, 9056292), (12, 6792219), (14, 5821902), (18, 4528146), (21, 3881268), (27, 3018764), (28, 2910951), (36, 2264073), (42, 1940634), (54, 1509382), (63, 1293756), (84, 970317), (108, 754691), (126, 646878), (131, 622188), (189, 431252), (252, 323439), (262, 311094), (378, 215626), (393, 207396), (524, 155547), (756, 107813), (786, 103698), (823, 99036), (917, 88884), (1179, 69132), (1572, 51849), (1646, 49518), (1834, 44442), (2358, 34566), (2469, 33012), (2751, 29628), (3292, 24759), (3537, 23044), (3668, 22221), (4716, 17283), (4938, 16506), (5502, 14814), (5761, 14148), (7074, 11522), (7407, 11004), (8253, 9876)]