217821875

素因数分解:

$5^5\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 278763408

約数和(自身を除く): 60941533

約数列:

[1, 5, 25, 43, 125, 215, 625, 1075, 1621, 3125, 5375, 8105, 26875, 40525, 69703, 134375, 202625, 348515, 1013125, 1742575, 5065625, 8712875, 43564375, 217821875]

約数ペア:

[(1, 217821875), (5, 43564375), (25, 8712875), (43, 5065625), (125, 1742575), (215, 1013125), (625, 348515), (1075, 202625), (1621, 134375), (3125, 69703), (5375, 40525), (8105, 26875)]