27990115

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 34189056

約数和(自身を除く): 6198941

約数列:

[1, 5, 131, 151, 283, 655, 755, 1415, 19781, 37073, 42733, 98905, 185365, 213665, 5598023, 27990115]

約数ペア:

[(1, 27990115), (5, 5598023), (131, 213665), (151, 185365), (283, 98905), (655, 42733), (755, 37073), (1415, 19781)]