990045

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{449}}^1$

素因数の和:474

約数の個数: 36

約数和(自身を含む): 2000700

約数和(自身を除く): 1010655

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 449, 735, 1347, 2205, 2245, 3143, 4041, 6735, 9429, 15715, 20205, 22001, 28287, 47145, 66003, 110005, 141435, 198009, 330015, 990045]

約数ペア:

[(1, 990045), (3, 330015), (5, 198009), (7, 141435), (9, 110005), (15, 66003), (21, 47145), (35, 28287), (45, 22001), (49, 20205), (63, 15715), (105, 9429), (147, 6735), (245, 4041), (315, 3143), (441, 2245), (449, 2205), (735, 1347)]