388624677

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{260647}}^1$

素因数の和:260728

約数の個数: 16

約数和(自身を含む): 600532992

約数和(自身を除く): 211908315

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 260647, 781941, 1824529, 5473587, 18505937, 55517811, 129541559, 388624677]

約数ペア:

[(1, 388624677), (3, 129541559), (7, 55517811), (21, 18505937), (71, 5473587), (213, 1824529), (497, 781941), (1491, 260647)]