215530875

素因数分解:

$3^4\times 5^3\times 7^1\times {\mathrm{3041}}^1$

素因数の和:3075

約数の個数: 80

約数和(自身を含む): 459366336

約数和(自身を除く): 243835461

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 125, 135, 175, 189, 225, 315, 375, 405, 525, 567, 675, 875, 945, 1125, 1575, 2025, 2625, 2835, 3041, 3375, 4725, 7875, 9123, 10125, 14175, 15205, 21287, 23625, 27369, 45615, 63861, 70875, 76025, 82107, 106435, 136845, 191583, 228075, 246321, 319305, 380125, 410535, 532175, 574749, 684225, 957915, 1140375, 1231605, 1596525, 1724247, 2052675, 2660875, 2873745, 3421125, 4789575, 6158025, 7982625, 8621235, 10263375, 14368725, 23947875, 30790125, 43106175, 71843625, 215530875]

約数ペア:

[(1, 215530875), (3, 71843625), (5, 43106175), (7, 30790125), (9, 23947875), (15, 14368725), (21, 10263375), (25, 8621235), (27, 7982625), (35, 6158025), (45, 4789575), (63, 3421125), (75, 2873745), (81, 2660875), (105, 2052675), (125, 1724247), (135, 1596525), (175, 1231605), (189, 1140375), (225, 957915), (315, 684225), (375, 574749), (405, 532175), (525, 410535), (567, 380125), (675, 319305), (875, 246321), (945, 228075), (1125, 191583), (1575, 136845), (2025, 106435), (2625, 82107), (2835, 76025), (3041, 70875), (3375, 63861), (4725, 45615), (7875, 27369), (9123, 23625), (10125, 21287), (14175, 15205)]