31831429

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 8603771

約数列:

[1, 7, 17, 49, 53, 103, 119, 343, 371, 721, 833, 901, 1751, 2597, 5047, 5459, 5831, 6307, 12257, 18179, 35329, 38213, 44149, 85799, 92803, 267491, 309043, 600593, 649621, 1872437, 4547347, 31831429]

約数ペア:

[(1, 31831429), (7, 4547347), (17, 1872437), (49, 649621), (53, 600593), (103, 309043), (119, 267491), (343, 92803), (371, 85799), (721, 44149), (833, 38213), (901, 35329), (1751, 18179), (2597, 12257), (5047, 6307), (5459, 5831)]