63750255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 111313440

約数和(自身を除く): 47563185

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 89, 159, 255, 265, 267, 445, 795, 901, 1335, 1513, 2703, 2809, 4505, 4539, 4717, 7565, 8427, 13515, 14045, 14151, 22695, 23585, 42135, 47753, 70755, 80189, 143259, 238765, 240567, 250001, 400945, 716295, 750003, 1202835, 1250005, 3750015, 4250017, 12750051, 21250085, 63750255]

約数ペア:

[(1, 63750255), (3, 21250085), (5, 12750051), (15, 4250017), (17, 3750015), (51, 1250005), (53, 1202835), (85, 750003), (89, 716295), (159, 400945), (255, 250001), (265, 240567), (267, 238765), (445, 143259), (795, 80189), (901, 70755), (1335, 47753), (1513, 42135), (2703, 23585), (2809, 22695), (4505, 14151), (4539, 14045), (4717, 13515), (7565, 8427)]