630819

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 1198080

約数和(自身を除く): 567261

約数列:

[1, 3, 7, 9, 17, 19, 21, 31, 51, 57, 63, 93, 119, 133, 153, 171, 217, 279, 323, 357, 399, 527, 589, 651, 969, 1071, 1197, 1581, 1767, 1953, 2261, 2907, 3689, 4123, 4743, 5301, 6783, 10013, 11067, 12369, 20349, 30039, 33201, 37107, 70091, 90117, 210273, 630819]

約数ペア:

[(1, 630819), (3, 210273), (7, 90117), (9, 70091), (17, 37107), (19, 33201), (21, 30039), (31, 20349), (51, 12369), (57, 11067), (63, 10013), (93, 6783), (119, 5301), (133, 4743), (153, 4123), (171, 3689), (217, 2907), (279, 2261), (323, 1953), (357, 1767), (399, 1581), (527, 1197), (589, 1071), (651, 969)]