1278666

素因数分解:

$2^1\times 3^6\times {\mathrm{877}}^1$

素因数の和:897

約数の個数: 28

約数和(自身を含む): 2878962

約数和(自身を除く): 1600296

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 877, 1458, 1754, 2631, 5262, 7893, 15786, 23679, 47358, 71037, 142074, 213111, 426222, 639333, 1278666]

約数ペア:

[(1, 1278666), (2, 639333), (3, 426222), (6, 213111), (9, 142074), (18, 71037), (27, 47358), (54, 23679), (81, 15786), (162, 7893), (243, 5262), (486, 2631), (729, 1754), (877, 1458)]