28894593

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2073

約数の個数: 32

約数和(自身を含む): 48335616

約数和(自身を除く): 19441023

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 1997, 2067, 4823, 5991, 13979, 14469, 25961, 41937, 77883, 105841, 181727, 317523, 545181, 740887, 1375933, 2222661, 4127799, 9631531, 28894593]

約数ペア:

[(1, 28894593), (3, 9631531), (7, 4127799), (13, 2222661), (21, 1375933), (39, 740887), (53, 545181), (91, 317523), (159, 181727), (273, 105841), (371, 77883), (689, 41937), (1113, 25961), (1997, 14469), (2067, 13979), (4823, 5991)]