263886147

素因数分解:

$3^3\times 7^1\times {\mathrm{1396223}}^1$

素因数の和:1396239

約数の個数: 16

約数和(自身を含む): 446791680

約数和(自身を除く): 182905533

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1396223, 4188669, 9773561, 12566007, 29320683, 37698021, 87962049, 263886147]

約数ペア:

[(1, 263886147), (3, 87962049), (7, 37698021), (9, 29320683), (21, 12566007), (27, 9773561), (63, 4188669), (189, 1396223)]