40643421

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^3$

素因数の和:182

約数の個数: 32

約数和(自身を含む): 67979520

約数和(自身を除く): 27336099

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 2067, 2809, 4823, 8427, 14469, 19663, 36517, 58989, 109551, 148877, 255619, 446631, 766857, 1042139, 1935401, 3126417, 5806203, 13547807, 40643421]

約数ペア:

[(1, 40643421), (3, 13547807), (7, 5806203), (13, 3126417), (21, 1935401), (39, 1042139), (53, 766857), (91, 446631), (159, 255619), (273, 148877), (371, 109551), (689, 58989), (1113, 36517), (2067, 19663), (2809, 14469), (4823, 8427)]