28688517

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22291}}^1$

素因数の和:22321

約数の個数: 24

約数和(自身を含む): 48685728

約数和(自身を除く): 19997211

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 22291, 66873, 200619, 245201, 289783, 735603, 869349, 2206809, 2608047, 3187613, 9562839, 28688517]

約数ペア:

[(1, 28688517), (3, 9562839), (9, 3187613), (11, 2608047), (13, 2206809), (33, 869349), (39, 735603), (99, 289783), (117, 245201), (143, 200619), (429, 66873), (1287, 22291)]