13778163

素因数分解:

$3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:376

約数の個数: 36

約数和(自身を含む): 23415600

約数和(自身を除く): 9637437

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 157, 199, 441, 471, 597, 1099, 1393, 1413, 1791, 3297, 4179, 7693, 9751, 9891, 12537, 23079, 29253, 31243, 69237, 87759, 93729, 218701, 281187, 656103, 1530907, 1968309, 4592721, 13778163]

約数ペア:

[(1, 13778163), (3, 4592721), (7, 1968309), (9, 1530907), (21, 656103), (49, 281187), (63, 218701), (147, 93729), (157, 87759), (199, 69237), (441, 31243), (471, 29253), (597, 23079), (1099, 12537), (1393, 9891), (1413, 9751), (1791, 7693), (3297, 4179)]