28471923

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2715

約数の個数: 24

約数和(自身を含む): 44175456

約数和(自身を除く): 15703533

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 2621, 3621, 7863, 10863, 23589, 44557, 133671, 186091, 401013, 558273, 1674819, 3163547, 9490641, 28471923]

約数ペア:

[(1, 28471923), (3, 9490641), (9, 3163547), (17, 1674819), (51, 558273), (71, 401013), (153, 186091), (213, 133671), (639, 44557), (1207, 23589), (2621, 10863), (3621, 7863)]