399163059

素因数分解:

$3^4\times {\mathrm{563}}^1\times {\mathrm{8753}}^1$

素因数の和:9328

約数の個数: 20

約数和(自身を含む): 597407976

約数和(自身を除く): 198244917

約数列:

[1, 3, 9, 27, 81, 563, 1689, 5067, 8753, 15201, 26259, 45603, 78777, 236331, 708993, 4927939, 14783817, 44351451, 133054353, 399163059]

約数ペア:

[(1, 399163059), (3, 133054353), (9, 44351451), (27, 14783817), (81, 4927939), (563, 708993), (1689, 236331), (5067, 78777), (8753, 45603), (15201, 26259)]