339924879

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 574516800

約数和(自身を除く): 234591921

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 197, 427, 449, 549, 591, 1281, 1347, 1379, 1773, 3143, 3843, 4041, 4137, 9429, 12017, 12411, 27389, 28287, 36051, 82167, 84119, 88453, 108153, 191723, 246501, 252357, 265359, 575169, 619171, 757071, 796077, 1725507, 1857513, 5395633, 5572539, 16186899, 37769431, 48560697, 113308293, 339924879]

約数ペア:

[(1, 339924879), (3, 113308293), (7, 48560697), (9, 37769431), (21, 16186899), (61, 5572539), (63, 5395633), (183, 1857513), (197, 1725507), (427, 796077), (449, 757071), (549, 619171), (591, 575169), (1281, 265359), (1347, 252357), (1379, 246501), (1773, 191723), (3143, 108153), (3843, 88453), (4041, 84119), (4137, 82167), (9429, 36051), (12017, 28287), (12411, 27389)]