25239735

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 47861760

約数和(自身を除く): 22622025

約数列:

[1, 3, 5, 9, 15, 27, 31, 37, 45, 93, 111, 135, 155, 163, 185, 279, 333, 465, 489, 555, 815, 837, 999, 1147, 1395, 1467, 1665, 2445, 3441, 4185, 4401, 4995, 5053, 5735, 6031, 7335, 10323, 15159, 17205, 18093, 22005, 25265, 30155, 30969, 45477, 51615, 54279, 75795, 90465, 136431, 154845, 162837, 186961, 227385, 271395, 560883, 682155, 814185, 934805, 1682649, 2804415, 5047947, 8413245, 25239735]

約数ペア:

[(1, 25239735), (3, 8413245), (5, 5047947), (9, 2804415), (15, 1682649), (27, 934805), (31, 814185), (37, 682155), (45, 560883), (93, 271395), (111, 227385), (135, 186961), (155, 162837), (163, 154845), (185, 136431), (279, 90465), (333, 75795), (465, 54279), (489, 51615), (555, 45477), (815, 30969), (837, 30155), (999, 25265), (1147, 22005), (1395, 18093), (1467, 17205), (1665, 15159), (2445, 10323), (3441, 7335), (4185, 6031), (4401, 5735), (4995, 5053)]