19803069

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 36126720

約数和(自身を除く): 16323651

約数列:

[1, 3, 9, 11, 13, 23, 27, 33, 39, 69, 99, 117, 143, 207, 223, 253, 297, 299, 351, 429, 621, 669, 759, 897, 1287, 2007, 2277, 2453, 2691, 2899, 3289, 3861, 5129, 6021, 6831, 7359, 8073, 8697, 9867, 15387, 22077, 26091, 29601, 31889, 46161, 56419, 66231, 66677, 78273, 88803, 95667, 138483, 169257, 200031, 287001, 507771, 600093, 733447, 861003, 1523313, 1800279, 2200341, 6601023, 19803069]

約数ペア:

[(1, 19803069), (3, 6601023), (9, 2200341), (11, 1800279), (13, 1523313), (23, 861003), (27, 733447), (33, 600093), (39, 507771), (69, 287001), (99, 200031), (117, 169257), (143, 138483), (207, 95667), (223, 88803), (253, 78273), (297, 66677), (299, 66231), (351, 56419), (429, 46161), (621, 31889), (669, 29601), (759, 26091), (897, 22077), (1287, 15387), (2007, 9867), (2277, 8697), (2453, 8073), (2691, 7359), (2899, 6831), (3289, 6021), (3861, 5129)]