28280673

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 36

約数和(自身を含む): 44252208

約数和(自身を除く): 15971535

約数列:

[1, 3, 9, 17, 51, 83, 131, 153, 249, 289, 393, 747, 867, 1179, 1411, 2227, 2601, 4233, 6681, 10873, 12699, 20043, 23987, 32619, 37859, 71961, 97857, 113577, 184841, 215883, 340731, 554523, 1663569, 3142297, 9426891, 28280673]

約数ペア:

[(1, 28280673), (3, 9426891), (9, 3142297), (17, 1663569), (51, 554523), (83, 340731), (131, 215883), (153, 184841), (249, 113577), (289, 97857), (393, 71961), (747, 37859), (867, 32619), (1179, 23987), (1411, 20043), (2227, 12699), (2601, 10873), (4233, 6681)]