81299925

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1259}}^1$

素因数の和:1323

約数の個数: 72

約数和(自身を含む): 170614080

約数和(自身を除く): 89314155

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 41, 45, 63, 75, 105, 123, 175, 205, 225, 287, 315, 369, 525, 615, 861, 1025, 1259, 1435, 1575, 1845, 2583, 3075, 3777, 4305, 6295, 7175, 8813, 9225, 11331, 12915, 18885, 21525, 26439, 31475, 44065, 51619, 56655, 64575, 79317, 94425, 132195, 154857, 220325, 258095, 283275, 361333, 396585, 464571, 660975, 774285, 1083999, 1290475, 1806665, 1982925, 2322855, 3251997, 3871425, 5419995, 9033325, 11614275, 16259985, 27099975, 81299925]

約数ペア:

[(1, 81299925), (3, 27099975), (5, 16259985), (7, 11614275), (9, 9033325), (15, 5419995), (21, 3871425), (25, 3251997), (35, 2322855), (41, 1982925), (45, 1806665), (63, 1290475), (75, 1083999), (105, 774285), (123, 660975), (175, 464571), (205, 396585), (225, 361333), (287, 283275), (315, 258095), (369, 220325), (525, 154857), (615, 132195), (861, 94425), (1025, 79317), (1259, 64575), (1435, 56655), (1575, 51619), (1845, 44065), (2583, 31475), (3075, 26439), (3777, 21525), (4305, 18885), (6295, 12915), (7175, 11331), (8813, 9225)]