40728045

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{19819}}^1$

素因数の和:19964

約数の個数: 16

約数和(自身を含む): 65643840

約数和(自身を除く): 24915795

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 19819, 59457, 99095, 297285, 2715203, 8145609, 13576015, 40728045]

約数ペア:

[(1, 40728045), (3, 13576015), (5, 8145609), (15, 2715203), (137, 297285), (411, 99095), (685, 59457), (2055, 19819)]