321016689

素因数分解:

$3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2789}}^1$

素因数の和:2844

約数の個数: 60

約数和(自身を含む): 577278900

約数和(自身を除く): 256262211

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 81, 87, 147, 189, 203, 261, 441, 567, 609, 783, 1323, 1421, 1827, 2349, 2789, 3969, 4263, 5481, 8367, 12789, 16443, 19523, 25101, 38367, 58569, 75303, 80881, 115101, 136661, 175707, 225909, 242643, 409983, 527121, 566167, 727929, 1229949, 1581363, 1698501, 2183787, 3689847, 3963169, 5095503, 6551361, 11069541, 11889507, 15286509, 35668521, 45859527, 107005563, 321016689]

約数ペア:

[(1, 321016689), (3, 107005563), (7, 45859527), (9, 35668521), (21, 15286509), (27, 11889507), (29, 11069541), (49, 6551361), (63, 5095503), (81, 3963169), (87, 3689847), (147, 2183787), (189, 1698501), (203, 1581363), (261, 1229949), (441, 727929), (567, 566167), (609, 527121), (783, 409983), (1323, 242643), (1421, 225909), (1827, 175707), (2349, 136661), (2789, 115101), (3969, 80881), (4263, 75303), (5481, 58569), (8367, 38367), (12789, 25101), (16443, 19523)]