427779

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 702000

約数和(自身を除く): 274221

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 149, 261, 319, 447, 957, 1341, 1639, 2871, 4321, 4917, 12963, 14751, 38889, 47531, 142593, 427779]

約数ペア:

[(1, 427779), (3, 142593), (9, 47531), (11, 38889), (29, 14751), (33, 12963), (87, 4917), (99, 4321), (149, 2871), (261, 1639), (319, 1341), (447, 957)]