388693641

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{14843}}^1$

素因数の和:14925

約数の個数: 32

約数和(自身を含む): 627010560

約数和(自身を除く): 238316919

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 903, 1247, 3741, 8729, 14843, 26187, 44529, 103901, 311703, 430447, 638249, 1291341, 1914747, 3013129, 4467743, 9039387, 13403229, 18509221, 55527663, 129564547, 388693641]

約数ペア:

[(1, 388693641), (3, 129564547), (7, 55527663), (21, 18509221), (29, 13403229), (43, 9039387), (87, 4467743), (129, 3013129), (203, 1914747), (301, 1291341), (609, 638249), (903, 430447), (1247, 311703), (3741, 103901), (8729, 44529), (14843, 26187)]