19770201

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{691}}^1$

素因数の和:742

約数の個数: 36

約数和(自身を含む): 33141264

約数和(自身を除く): 13371063

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 289, 561, 691, 867, 1683, 2073, 2601, 3179, 6219, 7601, 9537, 11747, 22803, 28611, 35241, 68409, 105723, 129217, 199699, 387651, 599097, 1162953, 1797291, 2196689, 6590067, 19770201]

約数ペア:

[(1, 19770201), (3, 6590067), (9, 2196689), (11, 1797291), (17, 1162953), (33, 599097), (51, 387651), (99, 199699), (153, 129217), (187, 105723), (289, 68409), (561, 35241), (691, 28611), (867, 22803), (1683, 11747), (2073, 9537), (2601, 7601), (3179, 6219)]