209939409

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{44263}}^1$

素因数の和:44317

約数の個数: 24

約数和(自身を含む): 331448832

約数和(自身を除く): 121509423

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4743, 44263, 132789, 398367, 752471, 1372153, 2257413, 4116459, 6772239, 12349377, 23326601, 69979803, 209939409]

約数ペア:

[(1, 209939409), (3, 69979803), (9, 23326601), (17, 12349377), (31, 6772239), (51, 4116459), (93, 2257413), (153, 1372153), (279, 752471), (527, 398367), (1581, 132789), (4743, 44263)]