30977947

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4421}}^1$

素因数の和:4459

約数の個数: 24

約数和(自身を含む): 42345072

約数和(自身を除く): 11367125

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 4421, 7007, 30947, 48631, 57473, 216629, 340417, 402311, 632203, 2382919, 2816177, 4425421, 30977947]

約数ペア:

[(1, 30977947), (7, 4425421), (11, 2816177), (13, 2382919), (49, 632203), (77, 402311), (91, 340417), (143, 216629), (539, 57473), (637, 48631), (1001, 30947), (4421, 7007)]