20030219

素因数分解:

${\mathrm{11}}^3\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 16

約数和(自身を含む): 22399200

約数和(自身を除く): 2368981

約数列:

[1, 11, 101, 121, 149, 1111, 1331, 1639, 12221, 15049, 18029, 134431, 165539, 198319, 1820929, 20030219]

約数ペア:

[(1, 20030219), (11, 1820929), (101, 198319), (121, 165539), (149, 134431), (1111, 18029), (1331, 15049), (1639, 12221)]