201538575

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3121}}^1$

素因数の和:3185

約数の個数: 72

約数和(自身を含む): 422743776

約数和(自身を除く): 221205201

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, 1435, 1575, 1845, 2583, 3075, 3121, 4305, 7175, 9225, 9363, 12915, 15605, 21525, 21847, 28089, 46815, 64575, 65541, 78025, 109235, 127961, 140445, 196623, 234075, 327705, 383883, 546175, 639805, 702225, 895727, 983115, 1151649, 1638525, 1919415, 2687181, 3199025, 4478635, 4915575, 5758245, 8061543, 9597075, 13435905, 22393175, 28791225, 40307715, 67179525, 201538575]

約数ペア:

[(1, 201538575), (3, 67179525), (5, 40307715), (7, 28791225), (9, 22393175), (15, 13435905), (21, 9597075), (25, 8061543), (35, 5758245), (41, 4915575), (45, 4478635), (63, 3199025), (75, 2687181), (105, 1919415), (123, 1638525), (175, 1151649), (205, 983115), (225, 895727), (287, 702225), (315, 639805), (369, 546175), (525, 383883), (615, 327705), (861, 234075), (1025, 196623), (1435, 140445), (1575, 127961), (1845, 109235), (2583, 78025), (3075, 65541), (3121, 64575), (4305, 46815), (7175, 28089), (9225, 21847), (9363, 21525), (12915, 15605)]