1620005967

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{691}}^1\times {\mathrm{2801}}^1$

素因数の和:3532

約数の個数: 32

約数和(自身を含む): 2481899520

約数和(自身を除く): 861893553

約数列:

[1, 3, 9, 27, 31, 93, 279, 691, 837, 2073, 2801, 6219, 8403, 18657, 21421, 25209, 64263, 75627, 86831, 192789, 260493, 578367, 781479, 1935491, 2344437, 5806473, 17419419, 52258257, 60000221, 180000663, 540001989, 1620005967]

約数ペア:

[(1, 1620005967), (3, 540001989), (9, 180000663), (27, 60000221), (31, 52258257), (93, 17419419), (279, 5806473), (691, 2344437), (837, 1935491), (2073, 781479), (2801, 578367), (6219, 260493), (8403, 192789), (18657, 86831), (21421, 75627), (25209, 64263)]