74986863

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2647}}^1$

素因数の和:2747

約数の個数: 32

約数和(自身を含む): 122019840

約数和(自身を除く): 47032977

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 2647, 4047, 7941, 9443, 18529, 28329, 50293, 55587, 150879, 187937, 352051, 563811, 1056153, 1315559, 3570803, 3946677, 10712409, 24995621, 74986863]

約数ペア:

[(1, 74986863), (3, 24995621), (7, 10712409), (19, 3946677), (21, 3570803), (57, 1315559), (71, 1056153), (133, 563811), (213, 352051), (399, 187937), (497, 150879), (1349, 55587), (1491, 50293), (2647, 28329), (4047, 18529), (7941, 9443)]