256030551

素因数分解:

$3^4\times 7^1\times {\mathrm{451553}}^1$

素因数の和:451572

約数の個数: 20

約数和(自身を含む): 437104272

約数和(自身を除く): 181073721

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 451553, 1354659, 3160871, 4063977, 9482613, 12191931, 28447839, 36575793, 85343517, 256030551]

約数ペア:

[(1, 256030551), (3, 85343517), (7, 36575793), (9, 28447839), (21, 12191931), (27, 9482613), (63, 4063977), (81, 3160871), (189, 1354659), (567, 451553)]