28780491783

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1\times {\mathrm{390281}}^1$

素因数の和:390854

約数の個数: 16

約数和(自身を含む): 39265491456

約数和(自身を除く): 10484999673

約数列:

[1, 3, 47, 141, 523, 1569, 24581, 73743, 390281, 1170843, 18343207, 55029621, 204116963, 612350889, 9593497261, 28780491783]

約数ペア:

[(1, 28780491783), (3, 9593497261), (47, 612350889), (141, 204116963), (523, 55029621), (1569, 18343207), (24581, 1170843), (73743, 390281)]