200501721

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{47501}}^1$

素因数の和:47581

約数の個数: 24

約数和(自身を含む): 335934144

約数和(自身を除く): 135432423

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 47501, 142503, 332507, 427509, 997521, 2992563, 3182567, 9547701, 22277969, 28643103, 66833907, 200501721]

約数ペア:

[(1, 200501721), (3, 66833907), (7, 28643103), (9, 22277969), (21, 9547701), (63, 3182567), (67, 2992563), (201, 997521), (469, 427509), (603, 332507), (1407, 142503), (4221, 47501)]