75719205

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 144781824

約数和(自身を除く): 69062619

約数列:

[1, 3, 5, 9, 15, 27, 31, 37, 45, 81, 93, 111, 135, 155, 163, 185, 279, 333, 405, 465, 489, 555, 815, 837, 999, 1147, 1395, 1467, 1665, 2445, 2511, 2997, 3441, 4185, 4401, 4995, 5053, 5735, 6031, 7335, 10323, 12555, 13203, 14985, 15159, 17205, 18093, 22005, 25265, 30155, 30969, 45477, 51615, 54279, 66015, 75795, 90465, 92907, 136431, 154845, 162837, 186961, 227385, 271395, 409293, 464535, 488511, 560883, 682155, 814185, 934805, 1682649, 2046465, 2442555, 2804415, 5047947, 8413245, 15143841, 25239735, 75719205]

約数ペア:

[(1, 75719205), (3, 25239735), (5, 15143841), (9, 8413245), (15, 5047947), (27, 2804415), (31, 2442555), (37, 2046465), (45, 1682649), (81, 934805), (93, 814185), (111, 682155), (135, 560883), (155, 488511), (163, 464535), (185, 409293), (279, 271395), (333, 227385), (405, 186961), (465, 162837), (489, 154845), (555, 136431), (815, 92907), (837, 90465), (999, 75795), (1147, 66015), (1395, 54279), (1467, 51615), (1665, 45477), (2445, 30969), (2511, 30155), (2997, 25265), (3441, 22005), (4185, 18093), (4401, 17205), (4995, 15159), (5053, 14985), (5735, 13203), (6031, 12555), (7335, 10323)]