27389089

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 37793280

約数和(自身を除く): 10404191

約数列:

[1, 7, 13, 19, 31, 49, 73, 91, 133, 217, 247, 403, 511, 589, 637, 931, 949, 1387, 1519, 1729, 2263, 2821, 3577, 4123, 6643, 7657, 9709, 12103, 15841, 18031, 19747, 28861, 29419, 42997, 46501, 53599, 67963, 110887, 126217, 205933, 300979, 375193, 558961, 883519, 1441531, 2106853, 3912727, 27389089]

約数ペア:

[(1, 27389089), (7, 3912727), (13, 2106853), (19, 1441531), (31, 883519), (49, 558961), (73, 375193), (91, 300979), (133, 205933), (217, 126217), (247, 110887), (403, 67963), (511, 53599), (589, 46501), (637, 42997), (931, 29419), (949, 28861), (1387, 19747), (1519, 18031), (1729, 15841), (2263, 12103), (2821, 9709), (3577, 7657), (4123, 6643)]