28906371

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2309}}^1$

素因数の和:2435

約数の個数: 24

約数和(自身を含む): 45405360

約数和(自身を除く): 16498989

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 2309, 4173, 6927, 12519, 20781, 30017, 90051, 247063, 270153, 741189, 2223567, 3211819, 9635457, 28906371]

約数ペア:

[(1, 28906371), (3, 9635457), (9, 3211819), (13, 2223567), (39, 741189), (107, 270153), (117, 247063), (321, 90051), (963, 30017), (1391, 20781), (2309, 12519), (4173, 6927)]