77881419

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12487}}^1$

素因数の和:12517

約数の個数: 40

約数和(自身を含む): 145060608

約数和(自身を除く): 67179189

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 6237, 12487, 37461, 87409, 112383, 137357, 262227, 337149, 412071, 786681, 961499, 1011447, 1236213, 2360043, 2884497, 3708639, 7080129, 8653491, 11125917, 25960473, 77881419]

約数ペア:

[(1, 77881419), (3, 25960473), (7, 11125917), (9, 8653491), (11, 7080129), (21, 3708639), (27, 2884497), (33, 2360043), (63, 1236213), (77, 1011447), (81, 961499), (99, 786681), (189, 412071), (231, 337149), (297, 262227), (567, 137357), (693, 112383), (891, 87409), (2079, 37461), (6237, 12487)]