78820833

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6143}}^1$

素因数の和:6213

約数の個数: 32

約数和(自身を含む): 132120576

約数和(自身を除く): 53299743

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 6143, 12831, 18429, 43001, 79859, 129003, 239577, 288721, 559013, 866163, 1677039, 2021047, 3753373, 6063141, 11260119, 26273611, 78820833]

約数ペア:

[(1, 78820833), (3, 26273611), (7, 11260119), (13, 6063141), (21, 3753373), (39, 2021047), (47, 1677039), (91, 866163), (141, 559013), (273, 288721), (329, 239577), (611, 129003), (987, 79859), (1833, 43001), (4277, 18429), (6143, 12831)]