72162741

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{3691}}^1$

素因数の和:3734

約数の個数: 32

約数和(自身を含む): 118144000

約数和(自身を除く): 45981259

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 3691, 6517, 11073, 19551, 25837, 70129, 77511, 180859, 210387, 490903, 542577, 1266013, 1472709, 3436321, 3798039, 10308963, 24054247, 72162741]

約数ペア:

[(1, 72162741), (3, 24054247), (7, 10308963), (19, 3798039), (21, 3436321), (49, 1472709), (57, 1266013), (133, 542577), (147, 490903), (343, 210387), (399, 180859), (931, 77511), (1029, 70129), (2793, 25837), (3691, 19551), (6517, 11073)]