2154621

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:153

約数の個数: 32

約数和(自身を含む): 3502080

約数和(自身を除く): 1347459

約数列:

[1, 3, 7, 21, 37, 47, 59, 111, 141, 177, 259, 329, 413, 777, 987, 1239, 1739, 2183, 2773, 5217, 6549, 8319, 12173, 15281, 19411, 36519, 45843, 58233, 102601, 307803, 718207, 2154621]

約数ペア:

[(1, 2154621), (3, 718207), (7, 307803), (21, 102601), (37, 58233), (47, 45843), (59, 36519), (111, 19411), (141, 15281), (177, 12173), (259, 8319), (329, 6549), (413, 5217), (777, 2773), (987, 2183), (1239, 1739)]