71909925

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 124134912

約数和(自身を除く): 52224987

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 157, 197, 465, 471, 591, 775, 785, 985, 2325, 2355, 2955, 3925, 4867, 4925, 6107, 11775, 14601, 14775, 18321, 24335, 30535, 30929, 73005, 91605, 92787, 121675, 152675, 154645, 365025, 458025, 463935, 773225, 958799, 2319675, 2876397, 4793995, 14381985, 23969975, 71909925]

約数ペア:

[(1, 71909925), (3, 23969975), (5, 14381985), (15, 4793995), (25, 2876397), (31, 2319675), (75, 958799), (93, 773225), (155, 463935), (157, 458025), (197, 365025), (465, 154645), (471, 152675), (591, 121675), (775, 92787), (785, 91605), (985, 73005), (2325, 30929), (2355, 30535), (2955, 24335), (3925, 18321), (4867, 14775), (4925, 14601), (6107, 11775)]