207865161

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{70201}}^1$

素因数の和:70261

約数の個数: 24

約数和(自身を含む): 350448384

約数和(自身を除く): 142583223

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 70201, 210603, 491407, 631809, 1474221, 3299447, 4422663, 9898341, 23096129, 29695023, 69288387, 207865161]

約数ペア:

[(1, 207865161), (3, 69288387), (7, 29695023), (9, 23096129), (21, 9898341), (47, 4422663), (63, 3299447), (141, 1474221), (329, 631809), (423, 491407), (987, 210603), (2961, 70201)]