81777906

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1549}}^1$

素因数の和:1983

約数の個数: 48

約数和(自身を含む): 203112000

約数和(自身を除く): 121334094

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 419, 838, 1257, 1549, 2514, 2933, 3098, 3771, 4647, 5866, 7542, 8799, 9294, 10843, 13941, 17598, 21686, 26397, 27882, 32529, 52794, 65058, 97587, 195174, 649031, 1298062, 1947093, 3894186, 4543217, 5841279, 9086434, 11682558, 13629651, 27259302, 40888953, 81777906]

約数ペア:

[(1, 81777906), (2, 40888953), (3, 27259302), (6, 13629651), (7, 11682558), (9, 9086434), (14, 5841279), (18, 4543217), (21, 3894186), (42, 1947093), (63, 1298062), (126, 649031), (419, 195174), (838, 97587), (1257, 65058), (1549, 52794), (2514, 32529), (2933, 27882), (3098, 26397), (3771, 21686), (4647, 17598), (5866, 13941), (7542, 10843), (8799, 9294)]