201808647

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{20743}}^1$

素因数の和:20819

約数の個数: 24

約数和(自身を含む): 310662144

約数和(自身を除く): 108853497

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 3243, 9729, 20743, 62229, 186687, 477089, 974921, 1431267, 2924763, 4293801, 8774289, 22423183, 67269549, 201808647]

約数ペア:

[(1, 201808647), (3, 67269549), (9, 22423183), (23, 8774289), (47, 4293801), (69, 2924763), (141, 1431267), (207, 974921), (423, 477089), (1081, 186687), (3243, 62229), (9729, 20743)]