201630639

素因数分解:

$3^1\times 7^2\times {\mathrm{797}}^1\times {\mathrm{1721}}^1$

素因数の和:2535

約数の個数: 24

約数和(自身を含む): 313307568

約数和(自身を除く): 111676929

約数列:

[1, 3, 7, 21, 49, 147, 797, 1721, 2391, 5163, 5579, 12047, 16737, 36141, 39053, 84329, 117159, 252987, 1371637, 4114911, 9601459, 28804377, 67210213, 201630639]

約数ペア:

[(1, 201630639), (3, 67210213), (7, 28804377), (21, 9601459), (49, 4114911), (147, 1371637), (797, 252987), (1721, 117159), (2391, 84329), (5163, 39053), (5579, 36141), (12047, 16737)]