8420643

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 15724800

約数和(自身を除く): 7304157

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 419, 609, 693, 957, 1257, 1827, 2233, 2871, 2933, 3771, 4609, 6699, 8799, 12151, 13827, 20097, 26397, 32263, 36453, 41481, 85057, 96789, 109359, 133661, 255171, 290367, 400983, 765513, 935627, 1202949, 2806881, 8420643]

約数ペア:

[(1, 8420643), (3, 2806881), (7, 1202949), (9, 935627), (11, 765513), (21, 400983), (29, 290367), (33, 255171), (63, 133661), (77, 109359), (87, 96789), (99, 85057), (203, 41481), (231, 36453), (261, 32263), (319, 26397), (419, 20097), (609, 13827), (693, 12151), (957, 8799), (1257, 6699), (1827, 4609), (2233, 3771), (2871, 2933)]