17145821

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 22267392

約数和(自身を除く): 5121571

約数列:

[1, 7, 11, 31, 77, 121, 217, 341, 653, 847, 2387, 3751, 4571, 7183, 20243, 26257, 50281, 79013, 141701, 222673, 553091, 1558711, 2449403, 17145821]

約数ペア:

[(1, 17145821), (7, 2449403), (11, 1558711), (31, 553091), (77, 222673), (121, 141701), (217, 79013), (341, 50281), (653, 26257), (847, 20243), (2387, 7183), (3751, 4571)]