205953921

素因数分解:

$3^5\times {\mathrm{89}}^2\times {\mathrm{107}}^1$

素因数の和:300

約数の個数: 36

約数和(自身を含む): 314928432

約数和(自身を除く): 108974511

約数列:

[1, 3, 9, 27, 81, 89, 107, 243, 267, 321, 801, 963, 2403, 2889, 7209, 7921, 8667, 9523, 21627, 23763, 26001, 28569, 71289, 85707, 213867, 257121, 641601, 771363, 847547, 1924803, 2314089, 2542641, 7627923, 22883769, 68651307, 205953921]

約数ペア:

[(1, 205953921), (3, 68651307), (9, 22883769), (27, 7627923), (81, 2542641), (89, 2314089), (107, 1924803), (243, 847547), (267, 771363), (321, 641601), (801, 257121), (963, 213867), (2403, 85707), (2889, 71289), (7209, 28569), (7921, 26001), (8667, 23763), (9523, 21627)]