40087281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{6547}}^1$

素因数の和:6720

約数の個数: 16

約数和(自身を含む): 57936704

約数和(自身を除く): 17849423

約数列:

[1, 3, 13, 39, 157, 471, 2041, 6123, 6547, 19641, 85111, 255333, 1027879, 3083637, 13362427, 40087281]

約数ペア:

[(1, 40087281), (3, 13362427), (13, 3083637), (39, 1027879), (157, 255333), (471, 85111), (2041, 19641), (6123, 6547)]