3955959

素因数分解:

$3^4\times 7^1\times {\mathrm{6977}}^1$

素因数の和:6996

約数の個数: 20

約数和(自身を含む): 6754704

約数和(自身を除く): 2798745

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 6977, 20931, 48839, 62793, 146517, 188379, 439551, 565137, 1318653, 3955959]

約数ペア:

[(1, 3955959), (3, 1318653), (7, 565137), (9, 439551), (21, 188379), (27, 146517), (63, 62793), (81, 48839), (189, 20931), (567, 6977)]