201221001

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{3833}}^1$

素因数の和:4165

約数の個数: 24

約数和(自身を含む): 307026720

約数和(自身を除く): 105805719

約数列:

[1, 3, 9, 19, 57, 171, 307, 921, 2763, 3833, 5833, 11499, 17499, 34497, 52497, 72827, 218481, 655443, 1176731, 3530193, 10590579, 22357889, 67073667, 201221001]

約数ペア:

[(1, 201221001), (3, 67073667), (9, 22357889), (19, 10590579), (57, 3530193), (171, 1176731), (307, 655443), (921, 218481), (2763, 72827), (3833, 52497), (5833, 34497), (11499, 17499)]