30981795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158881}}^1$

素因数の和:158902

約数の個数: 16

約数和(自身を含む): 53384352

約数和(自身を除く): 22402557

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 158881, 476643, 794405, 2065453, 2383215, 6196359, 10327265, 30981795]

約数ペア:

[(1, 30981795), (3, 10327265), (5, 6196359), (13, 2383215), (15, 2065453), (39, 794405), (65, 476643), (195, 158881)]