25000143

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{8951}}^1$

素因数の和:8987

約数の個数: 24

約数和(自身を含む): 40821120

約数和(自身を除く): 15820977

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 8951, 26853, 62657, 170069, 187971, 438599, 510207, 1190483, 1315797, 3571449, 8333381, 25000143]

約数ペア:

[(1, 25000143), (3, 8333381), (7, 3571449), (19, 1315797), (21, 1190483), (49, 510207), (57, 438599), (133, 187971), (147, 170069), (399, 62657), (931, 26853), (2793, 8951)]