81843475

素因数分解:

$5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{941}}^1$

素因数の和:1036

約数の個数: 36

約数和(自身を含む): 119845008

約数和(自身を除く): 38001533

約数列:

[1, 5, 7, 25, 35, 49, 71, 175, 245, 355, 497, 941, 1225, 1775, 2485, 3479, 4705, 6587, 12425, 17395, 23525, 32935, 46109, 66811, 86975, 164675, 230545, 334055, 467677, 1152725, 1670275, 2338385, 3273739, 11691925, 16368695, 81843475]

約数ペア:

[(1, 81843475), (5, 16368695), (7, 11691925), (25, 3273739), (35, 2338385), (49, 1670275), (71, 1152725), (175, 467677), (245, 334055), (355, 230545), (497, 164675), (941, 86975), (1225, 66811), (1775, 46109), (2485, 32935), (3479, 23525), (4705, 17395), (6587, 12425)]