73138919

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 32

約数和(自身を含む): 90931200

約数和(自身を除く): 17792281

約数列:

[1, 7, 23, 49, 73, 127, 161, 343, 511, 889, 1127, 1679, 2921, 3577, 6223, 7889, 9271, 11753, 20447, 25039, 43561, 64897, 82271, 143129, 213233, 454279, 575897, 1001903, 1492631, 3179953, 10448417, 73138919]

約数ペア:

[(1, 73138919), (7, 10448417), (23, 3179953), (49, 1492631), (73, 1001903), (127, 575897), (161, 454279), (343, 213233), (511, 143129), (889, 82271), (1127, 64897), (1679, 43561), (2921, 25039), (3577, 20447), (6223, 11753), (7889, 9271)]