40211073

素因数分解:

$3^4\times 7^1\times {\mathrm{70919}}^1$

素因数の和:70938

約数の個数: 20

約数和(自身を含む): 68650560

約数和(自身を除く): 28439487

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 70919, 212757, 496433, 638271, 1489299, 1914813, 4467897, 5744439, 13403691, 40211073]

約数ペア:

[(1, 40211073), (3, 13403691), (7, 5744439), (9, 4467897), (21, 1914813), (27, 1489299), (63, 638271), (81, 496433), (189, 212757), (567, 70919)]