821325

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 1392768

約数和(自身を除く): 571443

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 233, 235, 699, 705, 1165, 1175, 3495, 3525, 5825, 10951, 17475, 32853, 54755, 164265, 273775, 821325]

約数ペア:

[(1, 821325), (3, 273775), (5, 164265), (15, 54755), (25, 32853), (47, 17475), (75, 10951), (141, 5825), (233, 3525), (235, 3495), (699, 1175), (705, 1165)]