71075781

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{38903}}^1$

素因数の和:38945

約数の個数: 24

約数和(自身を含む): 121380480

約数和(自身を除く): 50304699

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 38903, 116709, 272321, 350127, 816963, 1128187, 2450889, 3384561, 7897309, 10153683, 23691927, 71075781]

約数ペア:

[(1, 71075781), (3, 23691927), (7, 10153683), (9, 7897309), (21, 3384561), (29, 2450889), (63, 1128187), (87, 816963), (203, 350127), (261, 272321), (609, 116709), (1827, 38903)]