202070619

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:857

約数の個数: 40

約数和(自身を含む): 321420528

約数和(自身を除く): 119349909

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 257, 459, 571, 771, 1377, 1713, 2313, 4369, 5139, 6939, 9707, 13107, 15417, 20817, 29121, 39321, 46251, 87363, 117963, 146747, 262089, 353889, 440241, 786267, 1320723, 2494699, 3962169, 7484097, 11886507, 22452291, 67356873, 202070619]

約数ペア:

[(1, 202070619), (3, 67356873), (9, 22452291), (17, 11886507), (27, 7484097), (51, 3962169), (81, 2494699), (153, 1320723), (257, 786267), (459, 440241), (571, 353889), (771, 262089), (1377, 146747), (1713, 117963), (2313, 87363), (4369, 46251), (5139, 39321), (6939, 29121), (9707, 20817), (13107, 15417)]