2720313

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 4118400

約数和(自身を除く): 1398087

約数列:

[1, 3, 9, 47, 59, 109, 141, 177, 327, 423, 531, 981, 2773, 5123, 6431, 8319, 15369, 19293, 24957, 46107, 57879, 302257, 906771, 2720313]

約数ペア:

[(1, 2720313), (3, 906771), (9, 302257), (47, 57879), (59, 46107), (109, 24957), (141, 19293), (177, 15369), (327, 8319), (423, 6431), (531, 5123), (981, 2773)]