65127125

素因数分解:

$5^3\times 7^5\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 97883136

約数和(自身を除く): 32756011

約数列:

[1, 5, 7, 25, 31, 35, 49, 125, 155, 175, 217, 245, 343, 775, 875, 1085, 1225, 1519, 1715, 2401, 3875, 5425, 6125, 7595, 8575, 10633, 12005, 16807, 27125, 37975, 42875, 53165, 60025, 74431, 84035, 189875, 265825, 300125, 372155, 420175, 521017, 1329125, 1860775, 2100875, 2605085, 9303875, 13025425, 65127125]

約数ペア:

[(1, 65127125), (5, 13025425), (7, 9303875), (25, 2605085), (31, 2100875), (35, 1860775), (49, 1329125), (125, 521017), (155, 420175), (175, 372155), (217, 300125), (245, 265825), (343, 189875), (775, 84035), (875, 74431), (1085, 60025), (1225, 53165), (1519, 42875), (1715, 37975), (2401, 27125), (3875, 16807), (5425, 12005), (6125, 10633), (7595, 8575)]