7942725

素因数分解:

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

素因数の和:108

約数の個数: 72

約数和(自身を含む): 17092160

約数和(自身を除く): 9149435

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 41, 45, 63, 75, 105, 123, 135, 175, 189, 205, 225, 287, 315, 369, 525, 615, 675, 861, 945, 1025, 1107, 1435, 1575, 1681, 1845, 2583, 3075, 4305, 4725, 5043, 5535, 7175, 7749, 8405, 9225, 11767, 12915, 15129, 21525, 25215, 27675, 35301, 38745, 42025, 45387, 58835, 64575, 75645, 105903, 126075, 176505, 193725, 226935, 294175, 317709, 378225, 529515, 882525, 1134675, 1588545, 2647575, 7942725]

約数ペア:

[(1, 7942725), (3, 2647575), (5, 1588545), (7, 1134675), (9, 882525), (15, 529515), (21, 378225), (25, 317709), (27, 294175), (35, 226935), (41, 193725), (45, 176505), (63, 126075), (75, 105903), (105, 75645), (123, 64575), (135, 58835), (175, 45387), (189, 42025), (205, 38745), (225, 35301), (287, 27675), (315, 25215), (369, 21525), (525, 15129), (615, 12915), (675, 11767), (861, 9225), (945, 8405), (1025, 7749), (1107, 7175), (1435, 5535), (1575, 5043), (1681, 4725), (1845, 4305), (2583, 3075)]