39972513

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{40499}}^1$

素因数の和:40556

約数の個数: 16

約数和(自身を含む): 62208000

約数和(自身を除く): 22235487

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 40499, 121497, 283493, 850479, 1903453, 5710359, 13324171, 39972513]

約数ペア:

[(1, 39972513), (3, 13324171), (7, 5710359), (21, 1903453), (47, 850479), (141, 283493), (329, 121497), (987, 40499)]