211439739

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{1459}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 330403840

約数和(自身を除く): 118964101

約数列:

[1, 3, 7, 21, 67, 103, 201, 309, 469, 721, 1407, 1459, 2163, 4377, 6901, 10213, 20703, 30639, 48307, 97753, 144921, 150277, 293259, 450831, 684271, 1051939, 2052813, 3155817, 10068559, 30205677, 70479913, 211439739]

約数ペア:

[(1, 211439739), (3, 70479913), (7, 30205677), (21, 10068559), (67, 3155817), (103, 2052813), (201, 1051939), (309, 684271), (469, 450831), (721, 293259), (1407, 150277), (1459, 144921), (2163, 97753), (4377, 48307), (6901, 30639), (10213, 20703)]