30781647

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{87697}}^1$

素因数の和:87719

約数の個数: 16

約数和(自身を含む): 49110880

約数和(自身を除く): 18329233

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 87697, 263091, 789273, 1140061, 2367819, 3420183, 10260549, 30781647]

約数ペア:

[(1, 30781647), (3, 10260549), (9, 3420183), (13, 2367819), (27, 1140061), (39, 789273), (117, 263091), (351, 87697)]