203745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1$

素因数の和:89

約数の個数: 24

約数和(自身を含む): 353664

約数和(自身を除く): 149919

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 289, 705, 799, 867, 1445, 2397, 3995, 4335, 11985, 13583, 40749, 67915, 203745]

約数ペア:

[(1, 203745), (3, 67915), (5, 40749), (15, 13583), (17, 11985), (47, 4335), (51, 3995), (85, 2397), (141, 1445), (235, 867), (255, 799), (289, 705)]