221566293

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21767}}^1$

素因数の和:21818

約数の個数: 32

約数和(自身を含む): 365702400

約数和(自身を除く): 144136107

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 1131, 3393, 10179, 21767, 65301, 195903, 282971, 587709, 631243, 848913, 1893729, 2546739, 5681187, 7640217, 8206159, 17043561, 24618477, 73855431, 221566293]

約数ペア:

[(1, 221566293), (3, 73855431), (9, 24618477), (13, 17043561), (27, 8206159), (29, 7640217), (39, 5681187), (87, 2546739), (117, 1893729), (261, 848913), (351, 631243), (377, 587709), (783, 282971), (1131, 195903), (3393, 65301), (10179, 21767)]