12272385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 22104000

約数和(自身を除く): 9831615

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 149, 255, 285, 289, 323, 447, 745, 867, 969, 1445, 1615, 2235, 2533, 2831, 4335, 4845, 5491, 7599, 8493, 12665, 14155, 16473, 27455, 37995, 42465, 43061, 48127, 82365, 129183, 144381, 215305, 240635, 645915, 721905, 818159, 2454477, 4090795, 12272385]

約数ペア:

[(1, 12272385), (3, 4090795), (5, 2454477), (15, 818159), (17, 721905), (19, 645915), (51, 240635), (57, 215305), (85, 144381), (95, 129183), (149, 82365), (255, 48127), (285, 43061), (289, 42465), (323, 37995), (447, 27455), (745, 16473), (867, 14155), (969, 12665), (1445, 8493), (1615, 7599), (2235, 5491), (2533, 4845), (2831, 4335)]