21468375

素因数分解:

$3^3\times 5^3\times {\mathrm{6361}}^1$

素因数の和:6385

約数の個数: 32

約数和(自身を含む): 39698880

約数和(自身を除く): 18230505

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 6361, 19083, 31805, 57249, 95415, 159025, 171747, 286245, 477075, 795125, 858735, 1431225, 2385375, 4293675, 7156125, 21468375]

約数ペア:

[(1, 21468375), (3, 7156125), (5, 4293675), (9, 2385375), (15, 1431225), (25, 858735), (27, 795125), (45, 477075), (75, 286245), (125, 171747), (135, 159025), (225, 95415), (375, 57249), (675, 31805), (1125, 19083), (3375, 6361)]