78538977

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:691

約数の個数: 40

約数和(自身を含む): 128960832

約数和(自身を除く): 50421855

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 181, 297, 487, 543, 891, 1461, 1629, 1991, 4383, 4887, 5357, 5973, 13149, 14661, 16071, 17919, 39447, 48213, 53757, 88147, 144639, 161271, 264441, 433917, 793323, 969617, 2379969, 2908851, 7139907, 8726553, 26179659, 78538977]

約数ペア:

[(1, 78538977), (3, 26179659), (9, 8726553), (11, 7139907), (27, 2908851), (33, 2379969), (81, 969617), (99, 793323), (181, 433917), (297, 264441), (487, 161271), (543, 144639), (891, 88147), (1461, 53757), (1629, 48213), (1991, 39447), (4383, 17919), (4887, 16071), (5357, 14661), (5973, 13149)]