40728987

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{12893}}^1$

素因数の和:12921

約数の個数: 24

約数和(自身を含む): 65707824

約数和(自身を除く): 24978837

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 12893, 38679, 116037, 167609, 348111, 502827, 1044333, 1508481, 3132999, 4525443, 13576329, 40728987]

約数ペア:

[(1, 40728987), (3, 13576329), (9, 4525443), (13, 3132999), (27, 1508481), (39, 1044333), (81, 502827), (117, 348111), (243, 167609), (351, 116037), (1053, 38679), (3159, 12893)]