215214327

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{20921}}^1$

素因数の和:21060

約数の個数: 20

約数和(自身を含む): 324039936

約数和(自身を除く): 108825609

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 10287, 20921, 62763, 188289, 564867, 1694601, 2656967, 7970901, 23912703, 71738109, 215214327]

約数ペア:

[(1, 215214327), (3, 71738109), (9, 23912703), (27, 7970901), (81, 2656967), (127, 1694601), (381, 564867), (1143, 188289), (3429, 62763), (10287, 20921)]