221877567

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{569}}^1\times {\mathrm{1171}}^1$

素因数の和:1783

約数の個数: 24

約数和(自身を含む): 330011760

約数和(自身を除く): 108134193

約数列:

[1, 3, 9, 37, 111, 333, 569, 1171, 1707, 3513, 5121, 10539, 21053, 43327, 63159, 129981, 189477, 389943, 666299, 1998897, 5996691, 24653063, 73959189, 221877567]

約数ペア:

[(1, 221877567), (3, 73959189), (9, 24653063), (37, 5996691), (111, 1998897), (333, 666299), (569, 389943), (1171, 189477), (1707, 129981), (3513, 63159), (5121, 43327), (10539, 21053)]