16177917

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 25915392

約数和(自身を除く): 9737475

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 443, 777, 987, 1329, 1739, 3101, 5217, 9303, 12173, 16391, 20821, 36519, 49173, 62463, 114737, 145747, 344211, 437241, 770377, 2311131, 5392639, 16177917]

約数ペア:

[(1, 16177917), (3, 5392639), (7, 2311131), (21, 770377), (37, 437241), (47, 344211), (111, 145747), (141, 114737), (259, 62463), (329, 49173), (443, 36519), (777, 20821), (987, 16391), (1329, 12173), (1739, 9303), (3101, 5217)]