16320447

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1409}}^1$

素因数の和:1445

約数の個数: 40

約数和(自身を含む): 28662480

約数和(自身を除く): 12342033

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 1409, 3861, 4227, 11583, 12681, 15499, 18317, 38043, 46497, 54951, 114129, 139491, 164853, 201487, 418473, 494559, 604461, 1255419, 1483677, 1813383, 5440149, 16320447]

約数ペア:

[(1, 16320447), (3, 5440149), (9, 1813383), (11, 1483677), (13, 1255419), (27, 604461), (33, 494559), (39, 418473), (81, 201487), (99, 164853), (117, 139491), (143, 114129), (297, 54951), (351, 46497), (429, 38043), (891, 18317), (1053, 15499), (1287, 12681), (1409, 11583), (3861, 4227)]