78766989

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1747}}^1$

素因数の和:1889

約数の個数: 32

約数和(自身を含む): 127534080

約数和(自身を除く): 48767091

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 399, 791, 1747, 2147, 2373, 5241, 6441, 12229, 15029, 33193, 36687, 45087, 99579, 197411, 232351, 592233, 697053, 1381877, 3750809, 4145631, 11252427, 26255663, 78766989]

約数ペア:

[(1, 78766989), (3, 26255663), (7, 11252427), (19, 4145631), (21, 3750809), (57, 1381877), (113, 697053), (133, 592233), (339, 232351), (399, 197411), (791, 99579), (1747, 45087), (2147, 36687), (2373, 33193), (5241, 15029), (6441, 12229)]