222855867

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{211639}}^1$

素因数の和:211664

約数の個数: 20

約数和(自身を含む): 358518160

約数和(自身を除く): 135662293

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 211639, 634917, 1904751, 2751307, 5714253, 8253921, 17142759, 24761763, 74285289, 222855867]

約数ペア:

[(1, 222855867), (3, 74285289), (9, 24761763), (13, 17142759), (27, 8253921), (39, 5714253), (81, 2751307), (117, 1904751), (351, 634917), (1053, 211639)]