15784245

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 29652480

約数和(自身を除く): 13868235

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 423, 439, 705, 765, 799, 1317, 2115, 2195, 2397, 3951, 3995, 6585, 7191, 7463, 11985, 19755, 20633, 22389, 35955, 37315, 61899, 67167, 103165, 111945, 185697, 309495, 335835, 350761, 928485, 1052283, 1753805, 3156849, 5261415, 15784245]

約数ペア:

[(1, 15784245), (3, 5261415), (5, 3156849), (9, 1753805), (15, 1052283), (17, 928485), (45, 350761), (47, 335835), (51, 309495), (85, 185697), (141, 111945), (153, 103165), (235, 67167), (255, 61899), (423, 37315), (439, 35955), (705, 22389), (765, 20633), (799, 19755), (1317, 11985), (2115, 7463), (2195, 7191), (2397, 6585), (3951, 3995)]