40208763

素因数分解:

$3^1\times 7^2\times {\mathrm{523}}^2$

素因数の和:1063

約数の個数: 18

約数和(自身を含む): 62484084

約数和(自身を除く): 22275321

約数列:

[1, 3, 7, 21, 49, 147, 523, 1569, 3661, 10983, 25627, 76881, 273529, 820587, 1914703, 5744109, 13402921, 40208763]

約数ペア:

[(1, 40208763), (3, 13402921), (7, 5744109), (21, 1914703), (49, 820587), (147, 273529), (523, 76881), (1569, 25627), (3661, 10983)]