720435519

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{2089}}^1$

素因数の和:2392

約数の個数: 32

約数和(自身を含む): 1092484800

約数和(自身を除く): 372049281

約数列:

[1, 3, 9, 27, 53, 159, 241, 477, 723, 1431, 2089, 2169, 6267, 6507, 12773, 18801, 38319, 56403, 110717, 114957, 332151, 344871, 503449, 996453, 1510347, 2989359, 4531041, 13593123, 26682797, 80048391, 240145173, 720435519]

約数ペア:

[(1, 720435519), (3, 240145173), (9, 80048391), (27, 26682797), (53, 13593123), (159, 4531041), (241, 2989359), (477, 1510347), (723, 996453), (1431, 503449), (2089, 344871), (2169, 332151), (6267, 114957), (6507, 110717), (12773, 56403), (18801, 38319)]