81237195

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1197

約数の個数: 64

約数和(自身を含む): 159465600

約数和(自身を除く): 78228405

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 41, 45, 65, 117, 123, 135, 195, 205, 351, 369, 533, 585, 615, 1107, 1129, 1599, 1755, 1845, 2665, 3387, 4797, 5535, 5645, 7995, 10161, 14391, 14677, 16935, 23985, 30483, 44031, 46289, 50805, 71955, 73385, 132093, 138867, 152415, 220155, 231445, 396279, 416601, 601757, 660465, 694335, 1249803, 1805271, 1981395, 2083005, 3008785, 5415813, 6249015, 9026355, 16247439, 27079065, 81237195]

約数ペア:

[(1, 81237195), (3, 27079065), (5, 16247439), (9, 9026355), (13, 6249015), (15, 5415813), (27, 3008785), (39, 2083005), (41, 1981395), (45, 1805271), (65, 1249803), (117, 694335), (123, 660465), (135, 601757), (195, 416601), (205, 396279), (351, 231445), (369, 220155), (533, 152415), (585, 138867), (615, 132093), (1107, 73385), (1129, 71955), (1599, 50805), (1755, 46289), (1845, 44031), (2665, 30483), (3387, 23985), (4797, 16935), (5535, 14677), (5645, 14391), (7995, 10161)]