28790865

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14879}}^1$

素因数の和:14933

約数の個数: 24

約数和(自身を含む): 51068160

約数和(自身を除く): 22277295

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 14879, 44637, 74395, 133911, 223185, 639797, 669555, 1919391, 3198985, 5758173, 9596955, 28790865]

約数ペア:

[(1, 28790865), (3, 9596955), (5, 5758173), (9, 3198985), (15, 1919391), (43, 669555), (45, 639797), (129, 223185), (215, 133911), (387, 74395), (645, 44637), (1935, 14879)]