71446263

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 115568640

約数和(自身を除く): 44122377

約数列:

[1, 3, 7, 21, 43, 49, 89, 127, 129, 147, 267, 301, 381, 623, 889, 903, 1869, 2107, 2667, 3827, 4361, 5461, 6223, 6321, 11303, 11481, 13083, 16383, 18669, 26789, 33909, 38227, 79121, 80367, 114681, 187523, 237363, 267589, 486029, 553847, 562569, 802767, 1458087, 1661541, 3402203, 10206609, 23815421, 71446263]

約数ペア:

[(1, 71446263), (3, 23815421), (7, 10206609), (21, 3402203), (43, 1661541), (49, 1458087), (89, 802767), (127, 562569), (129, 553847), (147, 486029), (267, 267589), (301, 237363), (381, 187523), (623, 114681), (889, 80367), (903, 79121), (1869, 38227), (2107, 33909), (2667, 26789), (3827, 18669), (4361, 16383), (5461, 13083), (6223, 11481), (6321, 11303)]