12915819

素因数分解:

$3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{467}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 21415680

約数和(自身を除く): 8499861

約数列:

[1, 3, 7, 9, 21, 63, 439, 467, 1317, 1401, 3073, 3269, 3951, 4203, 9219, 9807, 27657, 29421, 205013, 615039, 1435091, 1845117, 4305273, 12915819]

約数ペア:

[(1, 12915819), (3, 4305273), (7, 1845117), (9, 1435091), (21, 615039), (63, 205013), (439, 29421), (467, 27657), (1317, 9807), (1401, 9219), (3073, 4203), (3269, 3951)]