221596317

素因数分解:

$3^6\times {\mathrm{449}}^1\times {\mathrm{677}}^1$

素因数の和:1144

約数の個数: 28

約数和(自身を含む): 333474300

約数和(自身を除く): 111877983

約数列:

[1, 3, 9, 27, 81, 243, 449, 677, 729, 1347, 2031, 4041, 6093, 12123, 18279, 36369, 54837, 109107, 164511, 303973, 327321, 493533, 911919, 2735757, 8207271, 24621813, 73865439, 221596317]

約数ペア:

[(1, 221596317), (3, 73865439), (9, 24621813), (27, 8207271), (81, 2735757), (243, 911919), (449, 493533), (677, 327321), (729, 303973), (1347, 164511), (2031, 109107), (4041, 54837), (6093, 36369), (12123, 18279)]