40720377

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{5449}}^1$

素因数の和:5552

約数の個数: 16

約数和(自身を含む): 56505600

約数和(自身を除く): 15785223

約数列:

[1, 3, 47, 53, 141, 159, 2491, 5449, 7473, 16347, 256103, 288797, 768309, 866391, 13573459, 40720377]

約数ペア:

[(1, 40720377), (3, 13573459), (47, 866391), (53, 768309), (141, 288797), (159, 256103), (2491, 16347), (5449, 7473)]