947709

素因数分解:

$3^2\times 7^3\times {\mathrm{307}}^1$

素因数の和:334

約数の個数: 24

約数和(自身を含む): 1601600

約数和(自身を除く): 653891

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 307, 343, 441, 921, 1029, 2149, 2763, 3087, 6447, 15043, 19341, 45129, 105301, 135387, 315903, 947709]

約数ペア:

[(1, 947709), (3, 315903), (7, 135387), (9, 105301), (21, 45129), (49, 19341), (63, 15043), (147, 6447), (307, 3087), (343, 2763), (441, 2149), (921, 1029)]