39990795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205081}}^1$

素因数の和:205102

約数の個数: 16

約数和(自身を含む): 68907552

約数和(自身を除く): 28916757

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 205081, 615243, 1025405, 2666053, 3076215, 7998159, 13330265, 39990795]

約数ペア:

[(1, 39990795), (3, 13330265), (5, 7998159), (13, 3076215), (15, 2666053), (39, 1025405), (65, 615243), (195, 205081)]