172858191

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2113}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 262203648

約数和(自身を除く): 89345457

約数列:

[1, 3, 11, 33, 37, 67, 111, 201, 407, 737, 1221, 2113, 2211, 2479, 6339, 7437, 23243, 27269, 69729, 78181, 81807, 141571, 234543, 424713, 859991, 1557281, 2579973, 4671843, 5238127, 15714381, 57619397, 172858191]

約数ペア:

[(1, 172858191), (3, 57619397), (11, 15714381), (33, 5238127), (37, 4671843), (67, 2579973), (111, 1557281), (201, 859991), (407, 424713), (737, 234543), (1221, 141571), (2113, 81807), (2211, 78181), (2479, 69729), (6339, 27269), (7437, 23243)]