16688997

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{587}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 27000960

約数和(自身を除く): 10311963

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 587, 729, 1053, 1761, 2187, 3159, 5283, 7631, 9477, 15849, 22893, 28431, 47547, 68679, 142641, 206037, 427923, 618111, 1283769, 1854333, 5562999, 16688997]

約数ペア:

[(1, 16688997), (3, 5562999), (9, 1854333), (13, 1283769), (27, 618111), (39, 427923), (81, 206037), (117, 142641), (243, 68679), (351, 47547), (587, 28431), (729, 22893), (1053, 15849), (1761, 9477), (2187, 7631), (3159, 5283)]