15820149

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 22811328

約数和(自身を除く): 6991179

約数列:

[1, 3, 17, 51, 71, 213, 257, 289, 771, 867, 1207, 3621, 4369, 13107, 18247, 20519, 54741, 61557, 74273, 222819, 310199, 930597, 5273383, 15820149]

約数ペア:

[(1, 15820149), (3, 5273383), (17, 930597), (51, 310199), (71, 222819), (213, 74273), (257, 61557), (289, 54741), (771, 20519), (867, 18247), (1207, 13107), (3621, 4369)]