31420659

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 45745920

約数和(自身を除く): 14325261

約数列:

[1, 3, 29, 37, 43, 87, 111, 129, 227, 681, 1073, 1247, 1591, 3219, 3741, 4773, 6583, 8399, 9761, 19749, 25197, 29283, 46139, 138417, 243571, 283069, 361157, 730713, 849207, 1083471, 10473553, 31420659]

約数ペア:

[(1, 31420659), (3, 10473553), (29, 1083471), (37, 849207), (43, 730713), (87, 361157), (111, 283069), (129, 243571), (227, 138417), (681, 46139), (1073, 29283), (1247, 25197), (1591, 19749), (3219, 9761), (3741, 8399), (4773, 6583)]