217243458

素因数分解:

$2^1\times 3^7\times {\mathrm{49667}}^1$

素因数の和:49690

約数の個数: 32

約数和(自身を含む): 488733120

約数和(自身を除く): 271489662

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 4374, 49667, 99334, 149001, 298002, 447003, 894006, 1341009, 2682018, 4023027, 8046054, 12069081, 24138162, 36207243, 72414486, 108621729, 217243458]

約数ペア:

[(1, 217243458), (2, 108621729), (3, 72414486), (6, 36207243), (9, 24138162), (18, 12069081), (27, 8046054), (54, 4023027), (81, 2682018), (162, 1341009), (243, 894006), (486, 447003), (729, 298002), (1458, 149001), (2187, 99334), (4374, 49667)]