207492705

素因数分解:

$3^3\times 5^1\times 7^3\times {\mathrm{4481}}^1$

素因数の和:4516

約数の個数: 64

約数和(自身を含む): 430272000

約数和(自身を除く): 222779295

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 343, 441, 735, 945, 1029, 1323, 1715, 2205, 3087, 4481, 5145, 6615, 9261, 13443, 15435, 22405, 31367, 40329, 46305, 67215, 94101, 120987, 156835, 201645, 219569, 282303, 470505, 604935, 658707, 846909, 1097845, 1411515, 1536983, 1976121, 3293535, 4234545, 4610949, 5928363, 7684915, 9880605, 13832847, 23054745, 29641815, 41498541, 69164235, 207492705]

約数ペア:

[(1, 207492705), (3, 69164235), (5, 41498541), (7, 29641815), (9, 23054745), (15, 13832847), (21, 9880605), (27, 7684915), (35, 5928363), (45, 4610949), (49, 4234545), (63, 3293535), (105, 1976121), (135, 1536983), (147, 1411515), (189, 1097845), (245, 846909), (315, 658707), (343, 604935), (441, 470505), (735, 282303), (945, 219569), (1029, 201645), (1323, 156835), (1715, 120987), (2205, 94101), (3087, 67215), (4481, 46305), (5145, 40329), (6615, 31367), (9261, 22405), (13443, 15435)]