85102731

素因数分解:

$3^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 155881440

約数和(自身を除く): 70778709

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 109, 119, 153, 189, 243, 327, 357, 459, 567, 729, 763, 981, 1071, 1377, 1701, 1853, 2187, 2289, 2943, 3213, 4131, 5103, 5559, 6561, 6867, 8829, 9639, 12393, 12971, 15309, 16677, 20601, 26487, 28917, 37179, 38913, 45927, 50031, 61803, 79461, 86751, 111537, 116739, 150093, 185409, 238383, 260253, 350217, 450279, 556227, 715149, 780759, 1050651, 1350837, 1668681, 3151953, 4052511, 5006043, 9455859, 12157533, 28367577, 85102731]

約数ペア:

[(1, 85102731), (3, 28367577), (7, 12157533), (9, 9455859), (17, 5006043), (21, 4052511), (27, 3151953), (51, 1668681), (63, 1350837), (81, 1050651), (109, 780759), (119, 715149), (153, 556227), (189, 450279), (243, 350217), (327, 260253), (357, 238383), (459, 185409), (567, 150093), (729, 116739), (763, 111537), (981, 86751), (1071, 79461), (1377, 61803), (1701, 50031), (1853, 45927), (2187, 38913), (2289, 37179), (2943, 28917), (3213, 26487), (4131, 20601), (5103, 16677), (5559, 15309), (6561, 12971), (6867, 12393), (8829, 9639)]