218451723

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9623}}^1$

素因数の和:9703

約数の個数: 32

約数和(自身を含む): 354779136

約数和(自身を除く): 136327413

約数列:

[1, 3, 7, 21, 23, 47, 69, 141, 161, 329, 483, 987, 1081, 3243, 7567, 9623, 22701, 28869, 67361, 202083, 221329, 452281, 663987, 1356843, 1549303, 3165967, 4647909, 9497901, 10402463, 31207389, 72817241, 218451723]

約数ペア:

[(1, 218451723), (3, 72817241), (7, 31207389), (21, 10402463), (23, 9497901), (47, 4647909), (69, 3165967), (141, 1549303), (161, 1356843), (329, 663987), (483, 452281), (987, 221329), (1081, 202083), (3243, 67361), (7567, 28869), (9623, 22701)]