11821275

素因数分解:

$3^3\times 5^2\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 22081920

約数和(自身を除く): 10260645

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 83, 135, 211, 225, 249, 415, 633, 675, 747, 1055, 1245, 1899, 2075, 2241, 3165, 3735, 5275, 5697, 6225, 9495, 11205, 15825, 17513, 18675, 28485, 47475, 52539, 56025, 87565, 142425, 157617, 262695, 437825, 472851, 788085, 1313475, 2364255, 3940425, 11821275]

約数ペア:

[(1, 11821275), (3, 3940425), (5, 2364255), (9, 1313475), (15, 788085), (25, 472851), (27, 437825), (45, 262695), (75, 157617), (83, 142425), (135, 87565), (211, 56025), (225, 52539), (249, 47475), (415, 28485), (633, 18675), (675, 17513), (747, 15825), (1055, 11205), (1245, 9495), (1899, 6225), (2075, 5697), (2241, 5275), (3165, 3735)]