978011901

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2843}}^1$

素因数の和:3023

約数の個数: 40

約数和(自身を含む): 1519651584

約数和(自身を除く): 541639683

約数列:

[1, 3, 9, 27, 31, 81, 93, 137, 279, 411, 837, 1233, 2511, 2843, 3699, 4247, 8529, 11097, 12741, 25587, 38223, 76761, 88133, 114669, 230283, 264399, 344007, 389491, 793197, 1168473, 2379591, 3505419, 7138773, 10516257, 12074221, 31548771, 36222663, 108667989, 326003967, 978011901]

約数ペア:

[(1, 978011901), (3, 326003967), (9, 108667989), (27, 36222663), (31, 31548771), (81, 12074221), (93, 10516257), (137, 7138773), (279, 3505419), (411, 2379591), (837, 1168473), (1233, 793197), (2511, 389491), (2843, 344007), (3699, 264399), (4247, 230283), (8529, 114669), (11097, 88133), (12741, 76761), (25587, 38223)]