1818559917

素因数分解:

$3^4\times {\mathrm{1301}}^1\times {\mathrm{17257}}^1$

素因数の和:18570

約数の個数: 20

約数和(自身を含む): 2718859836

約数和(自身を除く): 900299919

約数列:

[1, 3, 9, 27, 81, 1301, 3903, 11709, 17257, 35127, 51771, 105381, 155313, 465939, 1397817, 22451357, 67354071, 202062213, 606186639, 1818559917]

約数ペア:

[(1, 1818559917), (3, 606186639), (9, 202062213), (27, 67354071), (81, 22451357), (1301, 1397817), (3903, 465939), (11709, 155313), (17257, 105381), (35127, 51771)]