206811981

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{859}}^1$

素因数の和:1146

約数の個数: 32

約数和(自身を含む): 316342400

約数和(自身を除く): 109530419

約数列:

[1, 3, 9, 27, 37, 111, 241, 333, 723, 859, 999, 2169, 2577, 6507, 7731, 8917, 23193, 26751, 31783, 80253, 95349, 207019, 240759, 286047, 621057, 858141, 1863171, 5589513, 7659703, 22979109, 68937327, 206811981]

約数ペア:

[(1, 206811981), (3, 68937327), (9, 22979109), (27, 7659703), (37, 5589513), (111, 1863171), (241, 858141), (333, 621057), (723, 286047), (859, 240759), (999, 207019), (2169, 95349), (2577, 80253), (6507, 31783), (7731, 26751), (8917, 23193)]