211056273

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{55439}}^1$

素因数の和:55498

約数の個数: 20

約数和(自身を含む): 321995520

約数和(自身を除く): 110939247

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 55439, 166317, 498951, 1496853, 2605633, 4490559, 7816899, 23450697, 70352091, 211056273]

約数ペア:

[(1, 211056273), (3, 70352091), (9, 23450697), (27, 7816899), (47, 4490559), (81, 2605633), (141, 1496853), (423, 498951), (1269, 166317), (3807, 55439)]