75278721

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{53503}}^1$

素因数の和:53580

約数の個数: 16

約数和(自身を含む): 116424704

約数和(自身を除く): 41145983

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 53503, 160509, 374521, 1123563, 3584701, 10754103, 25092907, 75278721]

約数ペア:

[(1, 75278721), (3, 25092907), (7, 10754103), (21, 3584701), (67, 1123563), (201, 374521), (469, 160509), (1407, 53503)]