31521661521

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1\times {\mathrm{25471}}^1$

素因数の和:27413

約数の個数: 32

約数和(自身を含む): 49610489856

約数和(自身を除く): 18088828335

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1901, 5703, 13307, 25471, 39921, 58931, 76413, 176793, 178297, 412517, 534891, 789601, 1237551, 2368803, 5527207, 16581621, 48420371, 145261113, 338942597, 1016827791, 1501031501, 4503094503, 10507220507, 31521661521]

約数ペア:

[(1, 31521661521), (3, 10507220507), (7, 4503094503), (21, 1501031501), (31, 1016827791), (93, 338942597), (217, 145261113), (651, 48420371), (1901, 16581621), (5703, 5527207), (13307, 2368803), (25471, 1237551), (39921, 789601), (58931, 534891), (76413, 412517), (176793, 178297)]