72471

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:63

約数の個数: 24

約数和(自身を含む): 123120

約数和(自身を除く): 50649

約数列:

[1, 3, 7, 17, 21, 29, 49, 51, 87, 119, 147, 203, 357, 493, 609, 833, 1421, 1479, 2499, 3451, 4263, 10353, 24157, 72471]

約数ペア:

[(1, 72471), (3, 24157), (7, 10353), (17, 4263), (21, 3451), (29, 2499), (49, 1479), (51, 1421), (87, 833), (119, 609), (147, 493), (203, 357)]