1288894491

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{68489}}^1$

素因数の和:68556

約数の個数: 32

約数和(自身を含む): 2071137600

約数和(自身を除く): 782243109

約数列:

[1, 3, 9, 17, 27, 41, 51, 123, 153, 369, 459, 697, 1107, 2091, 6273, 18819, 68489, 205467, 616401, 1164313, 1849203, 2808049, 3492939, 8424147, 10478817, 25272441, 31436451, 47736833, 75817323, 143210499, 429631497, 1288894491]

約数ペア:

[(1, 1288894491), (3, 429631497), (9, 143210499), (17, 75817323), (27, 47736833), (41, 31436451), (51, 25272441), (123, 10478817), (153, 8424147), (369, 3492939), (459, 2808049), (697, 1849203), (1107, 1164313), (2091, 616401), (6273, 205467), (18819, 68489)]