201580245

素因数分解:

$3^4\times 5^1\times {\mathrm{497729}}^1$

素因数の和:497746

約数の個数: 20

約数和(自身を含む): 361351980

約数和(自身を除く): 159771735

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 497729, 1493187, 2488645, 4479561, 7465935, 13438683, 22397805, 40316049, 67193415, 201580245]

約数ペア:

[(1, 201580245), (3, 67193415), (5, 40316049), (9, 22397805), (15, 13438683), (27, 7465935), (45, 4479561), (81, 2488645), (135, 1493187), (405, 497729)]