268991619

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{821}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 400662528

約数和(自身を除く): 131670909

約数列:

[1, 3, 13, 31, 39, 93, 271, 403, 813, 821, 1209, 2463, 3523, 8401, 10569, 10673, 25203, 25451, 32019, 76353, 109213, 222491, 327639, 330863, 667473, 992589, 2892383, 6897221, 8677149, 20691663, 89663873, 268991619]

約数ペア:

[(1, 268991619), (3, 89663873), (13, 20691663), (31, 8677149), (39, 6897221), (93, 2892383), (271, 992589), (403, 667473), (813, 330863), (821, 327639), (1209, 222491), (2463, 109213), (3523, 76353), (8401, 32019), (10569, 25451), (10673, 25203)]