196820775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 373610016

約数和(自身を除く): 176789241

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 73, 75, 115, 207, 219, 225, 345, 365, 521, 575, 657, 1035, 1095, 1563, 1679, 1725, 1825, 2605, 3285, 4689, 5037, 5175, 5475, 7815, 8395, 11983, 13025, 15111, 16425, 23445, 25185, 35949, 38033, 39075, 41975, 59915, 75555, 107847, 114099, 117225, 125925, 179745, 190165, 299575, 342297, 377775, 539235, 570495, 874759, 898725, 950825, 1711485, 2624277, 2696175, 2852475, 4373795, 7872831, 8557425, 13121385, 21868975, 39364155, 65606925, 196820775]

約数ペア:

[(1, 196820775), (3, 65606925), (5, 39364155), (9, 21868975), (15, 13121385), (23, 8557425), (25, 7872831), (45, 4373795), (69, 2852475), (73, 2696175), (75, 2624277), (115, 1711485), (207, 950825), (219, 898725), (225, 874759), (345, 570495), (365, 539235), (521, 377775), (575, 342297), (657, 299575), (1035, 190165), (1095, 179745), (1563, 125925), (1679, 117225), (1725, 114099), (1825, 107847), (2605, 75555), (3285, 59915), (4689, 41975), (5037, 39075), (5175, 38033), (5475, 35949), (7815, 25185), (8395, 23445), (11983, 16425), (13025, 15111)]