201672387

素因数分解:

$3^2\times 7^2\times {\mathrm{457307}}^1$

素因数の和:457327

約数の個数: 18

約数和(自身を含む): 338865228

約数和(自身を除く): 137192841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457307, 1371921, 3201149, 4115763, 9603447, 22408043, 28810341, 67224129, 201672387]

約数ペア:

[(1, 201672387), (3, 67224129), (7, 28810341), (9, 22408043), (21, 9603447), (49, 4115763), (63, 3201149), (147, 1371921), (441, 457307)]