51274713

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 81756160

約数和(自身を除く): 30481447

約数列:

[1, 3, 7, 21, 31, 79, 93, 217, 237, 553, 651, 997, 1659, 2449, 2991, 6979, 7347, 17143, 20937, 30907, 51429, 78763, 92721, 216349, 236289, 551341, 649047, 1654023, 2441653, 7324959, 17091571, 51274713]

約数ペア:

[(1, 51274713), (3, 17091571), (7, 7324959), (21, 2441653), (31, 1654023), (79, 649047), (93, 551341), (217, 236289), (237, 216349), (553, 92721), (651, 78763), (997, 51429), (1659, 30907), (2449, 20937), (2991, 17143), (6979, 7347)]