28685079

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{619}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 43846400

約数和(自身を除く): 15161321

約数列:

[1, 3, 9, 19, 57, 171, 271, 619, 813, 1857, 2439, 5149, 5571, 11761, 15447, 35283, 46341, 105849, 167749, 503247, 1509741, 3187231, 9561693, 28685079]

約数ペア:

[(1, 28685079), (3, 9561693), (9, 3187231), (19, 1509741), (57, 503247), (171, 167749), (271, 105849), (619, 46341), (813, 35283), (1857, 15447), (2439, 11761), (5149, 5571)]