28694787

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 42434448

約数和(自身を除く): 13739661

約数列:

[1, 3, 11, 33, 121, 137, 363, 411, 577, 1507, 1731, 4521, 6347, 16577, 19041, 49731, 69817, 79049, 209451, 237147, 869539, 2608617, 9564929, 28694787]

約数ペア:

[(1, 28694787), (3, 9564929), (11, 2608617), (33, 869539), (121, 237147), (137, 209451), (363, 79049), (411, 69817), (577, 49731), (1507, 19041), (1731, 16577), (4521, 6347)]