218369007

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1481}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 333864960

約数和(自身を除く): 115495953

約数列:

[1, 3, 9, 27, 43, 127, 129, 381, 387, 1143, 1161, 1481, 3429, 4443, 5461, 13329, 16383, 39987, 49149, 63683, 147447, 188087, 191049, 564261, 573147, 1692783, 1719441, 5078349, 8087741, 24263223, 72789669, 218369007]

約数ペア:

[(1, 218369007), (3, 72789669), (9, 24263223), (27, 8087741), (43, 5078349), (127, 1719441), (129, 1692783), (381, 573147), (387, 564261), (1143, 191049), (1161, 188087), (1481, 147447), (3429, 63683), (4443, 49149), (5461, 39987), (13329, 16383)]