272223

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 468000

約数和(自身を除く): 195777

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 149, 203, 261, 447, 609, 1043, 1341, 1827, 3129, 4321, 9387, 12963, 30247, 38889, 90741, 272223]

約数ペア:

[(1, 272223), (3, 90741), (7, 38889), (9, 30247), (21, 12963), (29, 9387), (63, 4321), (87, 3129), (149, 1827), (203, 1341), (261, 1043), (447, 609)]