51719409

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{20023}}^1$

素因数の和:20077

約数の個数: 24

約数和(自身を含む): 87464832

約数和(自身を除く): 35745423

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 20023, 60069, 140161, 180207, 420483, 820943, 1261449, 2462829, 5746601, 7388487, 17239803, 51719409]

約数ペア:

[(1, 51719409), (3, 17239803), (7, 7388487), (9, 5746601), (21, 2462829), (41, 1261449), (63, 820943), (123, 420483), (287, 180207), (369, 140161), (861, 60069), (2583, 20023)]