215525317

素因数分解:

$7^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1\times {\mathrm{433}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 248789632

約数和(自身を除く): 33264315

約数列:

[1, 7, 211, 337, 433, 1477, 2359, 3031, 71107, 91363, 145921, 497749, 639541, 1021447, 30789331, 215525317]

約数ペア:

[(1, 215525317), (7, 30789331), (211, 1021447), (337, 639541), (433, 497749), (1477, 145921), (2359, 91363), (3031, 71107)]