78576351

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 129051648

約数和(自身を除く): 50475297

約数列:

[1, 3, 7, 21, 31, 43, 49, 93, 129, 147, 217, 301, 401, 651, 903, 1203, 1333, 1519, 2107, 2807, 3999, 4557, 6321, 8421, 9331, 12431, 17243, 19649, 27993, 37293, 51729, 58947, 65317, 87017, 120701, 195951, 261051, 362103, 534533, 609119, 844907, 1603599, 1827357, 2534721, 3741731, 11225193, 26192117, 78576351]

約数ペア:

[(1, 78576351), (3, 26192117), (7, 11225193), (21, 3741731), (31, 2534721), (43, 1827357), (49, 1603599), (93, 844907), (129, 609119), (147, 534533), (217, 362103), (301, 261051), (401, 195951), (651, 120701), (903, 87017), (1203, 65317), (1333, 58947), (1519, 51729), (2107, 37293), (2807, 27993), (3999, 19649), (4557, 17243), (6321, 12431), (8421, 9331)]