31135905

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 57283200

約数和(自身を除く): 26147295

約数列:

[1, 3, 5, 9, 15, 23, 45, 67, 69, 115, 201, 207, 335, 345, 449, 603, 1005, 1035, 1347, 1541, 2245, 3015, 4041, 4623, 6735, 7705, 10327, 13869, 20205, 23115, 30083, 30981, 51635, 69345, 90249, 92943, 150415, 154905, 270747, 451245, 464715, 691909, 1353735, 2075727, 3459545, 6227181, 10378635, 31135905]

約数ペア:

[(1, 31135905), (3, 10378635), (5, 6227181), (9, 3459545), (15, 2075727), (23, 1353735), (45, 691909), (67, 464715), (69, 451245), (115, 270747), (201, 154905), (207, 150415), (335, 92943), (345, 90249), (449, 69345), (603, 51635), (1005, 30981), (1035, 30083), (1347, 23115), (1541, 20205), (2245, 13869), (3015, 10327), (4041, 7705), (4623, 6735)]