127857891

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 199638016

約数和(自身を除く): 71780125

約数列:

[1, 3, 7, 21, 61, 151, 183, 427, 453, 661, 1057, 1281, 1983, 3171, 4627, 9211, 13881, 27633, 40321, 64477, 99811, 120963, 193431, 282247, 299433, 698677, 846741, 2096031, 6088471, 18265413, 42619297, 127857891]

約数ペア:

[(1, 127857891), (3, 42619297), (7, 18265413), (21, 6088471), (61, 2096031), (151, 846741), (183, 698677), (427, 299433), (453, 282247), (661, 193431), (1057, 120963), (1281, 99811), (1983, 64477), (3171, 40321), (4627, 27633), (9211, 13881)]