40398981

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{6703}}^1$

素因数の和:6761

約数の個数: 24

約数和(自身を含む): 64197504

約数和(自身を除く): 23798523

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 6703, 20109, 46921, 140763, 274823, 328447, 824469, 985341, 1923761, 5771283, 13466327, 40398981]

約数ペア:

[(1, 40398981), (3, 13466327), (7, 5771283), (21, 1923761), (41, 985341), (49, 824469), (123, 328447), (147, 274823), (287, 140763), (861, 46921), (2009, 20109), (6027, 6703)]