2648457

素因数分解:

$3^7\times 7^1\times {\mathrm{173}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 4565760

約数和(自身を除く): 1917303

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 173, 189, 243, 519, 567, 729, 1211, 1557, 1701, 2187, 3633, 4671, 5103, 10899, 14013, 15309, 32697, 42039, 98091, 126117, 294273, 378351, 882819, 2648457]

約数ペア:

[(1, 2648457), (3, 882819), (7, 378351), (9, 294273), (21, 126117), (27, 98091), (63, 42039), (81, 32697), (173, 15309), (189, 14013), (243, 10899), (519, 5103), (567, 4671), (729, 3633), (1211, 2187), (1557, 1701)]