664199487

素因数分解:

$3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{17839}}^1$

素因数の和:18052

約数の個数: 32

約数和(自身を含む): 1130342400

約数和(自身を除く): 466142913

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 197, 591, 1379, 1773, 4137, 5319, 12411, 17839, 37233, 53517, 124873, 160551, 374619, 481653, 1123857, 3371571, 3514283, 10542849, 24599981, 31628547, 73799943, 94885641, 221399829, 664199487]

約数ペア:

[(1, 664199487), (3, 221399829), (7, 94885641), (9, 73799943), (21, 31628547), (27, 24599981), (63, 10542849), (189, 3514283), (197, 3371571), (591, 1123857), (1379, 481653), (1773, 374619), (4137, 160551), (5319, 124873), (12411, 53517), (17839, 37233)]