1028295

素因数分解:

$3^4\times 5^1\times {\mathrm{2539}}^1$

素因数の和:2556

約数の個数: 20

約数和(自身を含む): 1844040

約数和(自身を除く): 815745

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2539, 7617, 12695, 22851, 38085, 68553, 114255, 205659, 342765, 1028295]

約数ペア:

[(1, 1028295), (3, 342765), (5, 205659), (9, 114255), (15, 68553), (27, 38085), (45, 22851), (81, 12695), (135, 7617), (405, 2539)]