21603117

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 29339648

約数和(自身を除く): 7736531

約数列:

[1, 3, 103, 151, 309, 453, 463, 1389, 15553, 46659, 47689, 69913, 143067, 209739, 7201039, 21603117]

約数ペア:

[(1, 21603117), (3, 7201039), (103, 209739), (151, 143067), (309, 69913), (453, 47689), (463, 46659), (1389, 15553)]