4491207

素因数分解:

$3^4\times 7^1\times {\mathrm{89}}^2$

素因数の和:197

約数の個数: 30

約数和(自身を含む): 7754648

約数和(自身を除く): 3263441

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 267, 567, 623, 801, 1869, 2403, 5607, 7209, 7921, 16821, 23763, 50463, 55447, 71289, 166341, 213867, 499023, 641601, 1497069, 4491207]

約数ペア:

[(1, 4491207), (3, 1497069), (7, 641601), (9, 499023), (21, 213867), (27, 166341), (63, 71289), (81, 55447), (89, 50463), (189, 23763), (267, 16821), (567, 7921), (623, 7209), (801, 5607), (1869, 2403)]