728379

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:571

約数の個数: 16

約数和(自身を含む): 1101600

約数和(自身を除く): 373221

約数列:

[1, 3, 9, 27, 53, 159, 477, 509, 1431, 1527, 4581, 13743, 26977, 80931, 242793, 728379]

約数ペア:

[(1, 728379), (3, 242793), (9, 80931), (27, 26977), (53, 13743), (159, 4581), (477, 1527), (509, 1431)]