2213121

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 3110400

約数和(自身を除く): 897279

約数列:

[1, 3, 31, 53, 93, 159, 449, 1347, 1643, 4929, 13919, 23797, 41757, 71391, 737707, 2213121]

約数ペア:

[(1, 2213121), (3, 737707), (31, 71391), (53, 41757), (93, 23797), (159, 13919), (449, 4929), (1347, 1643)]