1257670713

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{8191}}^1$

素因数の和:8365

約数の個数: 32

約数和(自身を含む): 1879048192

約数和(自身を除く): 621377479

約数列:

[1, 3, 13, 31, 39, 93, 127, 381, 403, 1209, 1651, 3937, 4953, 8191, 11811, 24573, 51181, 106483, 153543, 253921, 319449, 761763, 1040257, 3120771, 3300973, 9902919, 13523341, 32247967, 40570023, 96743901, 419223571, 1257670713]

約数ペア:

[(1, 1257670713), (3, 419223571), (13, 96743901), (31, 40570023), (39, 32247967), (93, 13523341), (127, 9902919), (381, 3300973), (403, 3120771), (1209, 1040257), (1651, 761763), (3937, 319449), (4953, 253921), (8191, 153543), (11811, 106483), (24573, 51181)]