16402005

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4993}}^1$

素因数の和:5077

約数の個数: 24

約数和(自身を含む): 28825368

約数和(自身を除く): 12423363

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 4993, 14979, 24965, 44937, 74895, 224685, 364489, 1093467, 1822445, 3280401, 5467335, 16402005]

約数ペア:

[(1, 16402005), (3, 5467335), (5, 3280401), (9, 1822445), (15, 1093467), (45, 364489), (73, 224685), (219, 74895), (365, 44937), (657, 24965), (1095, 14979), (3285, 4993)]