31642779

素因数分解:

$3^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:245

約数の個数: 40

約数和(自身を含む): 51628032

約数和(自身を除く): 19985253

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 191, 343, 483, 573, 1029, 1127, 1337, 2401, 3381, 4011, 4393, 7203, 7889, 9359, 13179, 23667, 28077, 30751, 55223, 65513, 92253, 165669, 196539, 215257, 458591, 645771, 1375773, 1506799, 4520397, 10547593, 31642779]

約数ペア:

[(1, 31642779), (3, 10547593), (7, 4520397), (21, 1506799), (23, 1375773), (49, 645771), (69, 458591), (147, 215257), (161, 196539), (191, 165669), (343, 92253), (483, 65513), (573, 55223), (1029, 30751), (1127, 28077), (1337, 23667), (2401, 13179), (3381, 9359), (4011, 7889), (4393, 7203)]