1389370815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{259453}}^1$

素因数の和:259488

約数の個数: 48

約数和(自身を含む): 2914187328

約数和(自身を除く): 1524816513

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 5355, 259453, 778359, 1297265, 1816171, 2335077, 3891795, 4410701, 5448513, 9080855, 11675385, 13232103, 16345539, 22053505, 27242565, 30874907, 39696309, 66160515, 81727695, 92624721, 154374535, 198481545, 277874163, 463123605, 1389370815]

約数ペア:

[(1, 1389370815), (3, 463123605), (5, 277874163), (7, 198481545), (9, 154374535), (15, 92624721), (17, 81727695), (21, 66160515), (35, 39696309), (45, 30874907), (51, 27242565), (63, 22053505), (85, 16345539), (105, 13232103), (119, 11675385), (153, 9080855), (255, 5448513), (315, 4410701), (357, 3891795), (595, 2335077), (765, 1816171), (1071, 1297265), (1785, 778359), (5355, 259453)]