664365723

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{11027}}^1$

素因数の和:11207

約数の個数: 32

約数和(自身を含む): 1072803840

約数和(自身を除く): 408438117

約数列:

[1, 3, 7, 19, 21, 57, 133, 151, 399, 453, 1057, 2869, 3171, 8607, 11027, 20083, 33081, 60249, 77189, 209513, 231567, 628539, 1466591, 1665077, 4399773, 4995231, 11655539, 31636463, 34966617, 94909389, 221455241, 664365723]

約数ペア:

[(1, 664365723), (3, 221455241), (7, 94909389), (19, 34966617), (21, 31636463), (57, 11655539), (133, 4995231), (151, 4399773), (399, 1665077), (453, 1466591), (1057, 628539), (2869, 231567), (3171, 209513), (8607, 77189), (11027, 60249), (20083, 33081)]