2251809

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 3840512

約数和(自身を除く): 1588703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1153, 1953, 3459, 8071, 10377, 24213, 35743, 72639, 107229, 250201, 321687, 750603, 2251809]

約数ペア:

[(1, 2251809), (3, 750603), (7, 321687), (9, 250201), (21, 107229), (31, 72639), (63, 35743), (93, 24213), (217, 10377), (279, 8071), (651, 3459), (1153, 1953)]