13288815

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 25272000

約数和(自身を除く): 11983185

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 435, 493, 599, 765, 1305, 1479, 1797, 2465, 2995, 4437, 5391, 7395, 8985, 10183, 17371, 22185, 26955, 30549, 50915, 52113, 86855, 91647, 152745, 156339, 260565, 295307, 458235, 781695, 885921, 1476535, 2657763, 4429605, 13288815]

約数ペア:

[(1, 13288815), (3, 4429605), (5, 2657763), (9, 1476535), (15, 885921), (17, 781695), (29, 458235), (45, 295307), (51, 260565), (85, 156339), (87, 152745), (145, 91647), (153, 86855), (255, 52113), (261, 50915), (435, 30549), (493, 26955), (599, 22185), (765, 17371), (1305, 10183), (1479, 8985), (1797, 7395), (2465, 5391), (2995, 4437)]