210921489

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4421}}^1$

素因数の和:4483

約数の個数: 40

約数和(自身を含む): 342439680

約数和(自身を除く): 131518191

約数列:

[1, 3, 9, 19, 27, 31, 57, 81, 93, 171, 279, 513, 589, 837, 1539, 1767, 2511, 4421, 5301, 13263, 15903, 39789, 47709, 83999, 119367, 137051, 251997, 358101, 411153, 755991, 1233459, 2267973, 2603969, 3700377, 6803919, 7811907, 11101131, 23435721, 70307163, 210921489]

約数ペア:

[(1, 210921489), (3, 70307163), (9, 23435721), (19, 11101131), (27, 7811907), (31, 6803919), (57, 3700377), (81, 2603969), (93, 2267973), (171, 1233459), (279, 755991), (513, 411153), (589, 358101), (837, 251997), (1539, 137051), (1767, 119367), (2511, 83999), (4421, 47709), (5301, 39789), (13263, 15903)]