11890905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 21868224

約数和(自身を除く): 9977319

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 211, 221, 255, 289, 633, 663, 867, 1055, 1105, 1445, 2743, 3165, 3315, 3587, 3757, 4335, 8229, 10761, 11271, 13715, 17935, 18785, 41145, 46631, 53805, 56355, 60979, 139893, 182937, 233155, 304895, 699465, 792727, 914685, 2378181, 3963635, 11890905]

約数ペア:

[(1, 11890905), (3, 3963635), (5, 2378181), (13, 914685), (15, 792727), (17, 699465), (39, 304895), (51, 233155), (65, 182937), (85, 139893), (195, 60979), (211, 56355), (221, 53805), (255, 46631), (289, 41145), (633, 18785), (663, 17935), (867, 13715), (1055, 11271), (1105, 10761), (1445, 8229), (2743, 4335), (3165, 3757), (3315, 3587)]