1321425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{839}}^1$

素因数の和:862

約数の個数: 36

約数和(自身を含む): 2708160

約数和(自身を除く): 1386735

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 839, 1575, 2517, 4195, 5873, 7551, 12585, 17619, 20975, 29365, 37755, 52857, 62925, 88095, 146825, 188775, 264285, 440475, 1321425]

約数ペア:

[(1, 1321425), (3, 440475), (5, 264285), (7, 188775), (9, 146825), (15, 88095), (21, 62925), (25, 52857), (35, 37755), (45, 29365), (63, 20975), (75, 17619), (105, 12585), (175, 7551), (225, 5873), (315, 4195), (525, 2517), (839, 1575)]