78040881

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 119654400

約数和(自身を除く): 41613519

約数列:

[1, 3, 9, 27, 37, 111, 191, 333, 409, 573, 999, 1227, 1719, 3681, 5157, 7067, 11043, 15133, 21201, 45399, 63603, 78119, 136197, 190809, 234357, 408591, 703071, 2109213, 2890403, 8671209, 26013627, 78040881]

約数ペア:

[(1, 78040881), (3, 26013627), (9, 8671209), (27, 2890403), (37, 2109213), (111, 703071), (191, 408591), (333, 234357), (409, 190809), (573, 136197), (999, 78119), (1227, 63603), (1719, 45399), (3681, 21201), (5157, 15133), (7067, 11043)]