28921503

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12157}}^1$

素因数の和:12234

約数の個数: 16

約数和(自身を含む): 42212576

約数和(自身を除く): 13291073

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 12157, 36471, 158041, 474123, 741577, 2224731, 9640501, 28921503]

約数ペア:

[(1, 28921503), (3, 9640501), (13, 2224731), (39, 741577), (61, 474123), (183, 158041), (793, 36471), (2379, 12157)]