78821829

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{5827}}^1$

素因数の和:6006

約数の個数: 20

約数和(自身を含む): 118471584

約数和(自身を除く): 39649755

約数列:

[1, 3, 9, 27, 81, 167, 501, 1503, 4509, 5827, 13527, 17481, 52443, 157329, 471987, 973109, 2919327, 8757981, 26273943, 78821829]

約数ペア:

[(1, 78821829), (3, 26273943), (9, 8757981), (27, 2919327), (81, 973109), (167, 471987), (501, 157329), (1503, 52443), (4509, 17481), (5827, 13527)]