28278549

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{919}}^1$

素因数の和:1201

約数の個数: 24

約数和(自身を含む): 44204160

約数和(自身を除く): 15925611

約数列:

[1, 3, 9, 13, 39, 117, 263, 789, 919, 2367, 2757, 3419, 8271, 10257, 11947, 30771, 35841, 107523, 241697, 725091, 2175273, 3142061, 9426183, 28278549]

約数ペア:

[(1, 28278549), (3, 9426183), (9, 3142061), (13, 2175273), (39, 725091), (117, 241697), (263, 107523), (789, 35841), (919, 30771), (2367, 11947), (2757, 10257), (3419, 8271)]