28813473

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{643}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 45007872

約数和(自身を除く): 16194399

約数列:

[1, 3, 9, 13, 39, 117, 383, 643, 1149, 1929, 3447, 4979, 5787, 8359, 14937, 25077, 44811, 75231, 246269, 738807, 2216421, 3201497, 9604491, 28813473]

約数ペア:

[(1, 28813473), (3, 9604491), (9, 3201497), (13, 2216421), (39, 738807), (117, 246269), (383, 75231), (643, 44811), (1149, 25077), (1929, 14937), (3447, 8359), (4979, 5787)]