71991693

素因数分解:

$3^3\times {\mathrm{557}}^1\times {\mathrm{4787}}^1$

素因数の和:5353

約数の個数: 16

約数和(自身を含む): 106868160

約数和(自身を除く): 34876467

約数列:

[1, 3, 9, 27, 557, 1671, 4787, 5013, 14361, 15039, 43083, 129249, 2666359, 7999077, 23997231, 71991693]

約数ペア:

[(1, 71991693), (3, 23997231), (9, 7999077), (27, 2666359), (557, 129249), (1671, 43083), (4787, 15039), (5013, 14361)]