1681221879

素因数分解:

$3^3\times {\mathrm{179}}^1\times {\mathrm{541}}^1\times {\mathrm{643}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 2513145600

約数和(自身を除く): 831923721

約数列:

[1, 3, 9, 27, 179, 537, 541, 643, 1611, 1623, 1929, 4833, 4869, 5787, 14607, 17361, 96839, 115097, 290517, 345291, 347863, 871551, 1035873, 1043589, 2614653, 3107619, 3130767, 9392301, 62267477, 186802431, 560407293, 1681221879]

約数ペア:

[(1, 1681221879), (3, 560407293), (9, 186802431), (27, 62267477), (179, 9392301), (537, 3130767), (541, 3107619), (643, 2614653), (1611, 1043589), (1623, 1035873), (1929, 871551), (4833, 347863), (4869, 345291), (5787, 290517), (14607, 115097), (17361, 96839)]