520047

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 898560

約数和(自身を除く): 378513

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 103, 153, 187, 297, 309, 459, 561, 927, 1133, 1683, 1751, 2781, 3399, 5049, 5253, 10197, 15759, 19261, 30591, 47277, 57783, 173349, 520047]

約数ペア:

[(1, 520047), (3, 173349), (9, 57783), (11, 47277), (17, 30591), (27, 19261), (33, 15759), (51, 10197), (99, 5253), (103, 5049), (153, 3399), (187, 2781), (297, 1751), (309, 1683), (459, 1133), (561, 927)]