211049145

素因数分解:

$3^6\times 5^1\times {\mathrm{57901}}^1$

素因数の和:57924

約数の個数: 28

約数和(自身を含む): 379721316

約数和(自身を除く): 168672171

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 57901, 173703, 289505, 521109, 868515, 1563327, 2605545, 4689981, 7816635, 14069943, 23449905, 42209829, 70349715, 211049145]

約数ペア:

[(1, 211049145), (3, 70349715), (5, 42209829), (9, 23449905), (15, 14069943), (27, 7816635), (45, 4689981), (81, 2605545), (135, 1563327), (243, 868515), (405, 521109), (729, 289505), (1215, 173703), (3645, 57901)]