47904381

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20551}}^1$

素因数の和:20601

約数の個数: 24

約数和(自身を含む): 81221504

約数和(自身を除く): 33317123

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 20551, 61653, 143857, 184959, 431571, 760387, 1294713, 2281161, 5322709, 6843483, 15968127, 47904381]

約数ペア:

[(1, 47904381), (3, 15968127), (7, 6843483), (9, 5322709), (21, 2281161), (37, 1294713), (63, 760387), (111, 431571), (259, 184959), (333, 143857), (777, 61653), (2331, 20551)]