68353515

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 126360000

約数和(自身を除く): 58006485

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 199, 255, 449, 597, 765, 995, 1347, 1791, 2245, 2985, 3383, 4041, 6735, 7633, 8955, 10149, 16915, 20205, 22899, 30447, 38165, 50745, 68697, 89351, 114495, 152235, 268053, 343485, 446755, 804159, 1340265, 1518967, 4020795, 4556901, 7594835, 13670703, 22784505, 68353515]

約数ペア:

[(1, 68353515), (3, 22784505), (5, 13670703), (9, 7594835), (15, 4556901), (17, 4020795), (45, 1518967), (51, 1340265), (85, 804159), (153, 446755), (199, 343485), (255, 268053), (449, 152235), (597, 114495), (765, 89351), (995, 68697), (1347, 50745), (1791, 38165), (2245, 30447), (2985, 22899), (3383, 20205), (4041, 16915), (6735, 10149), (7633, 8955)]