211325583

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 340139520

約数和(自身を除く): 128813937

約数列:

[1, 3, 7, 21, 47, 49, 73, 141, 147, 219, 329, 419, 511, 987, 1257, 1533, 2303, 2933, 3431, 3577, 6909, 8799, 10293, 10731, 19693, 20531, 24017, 30587, 59079, 61593, 72051, 91761, 137851, 168119, 214109, 413553, 504357, 642327, 964957, 1437589, 1498763, 2894871, 4312767, 4496289, 10063123, 30189369, 70441861, 211325583]

約数ペア:

[(1, 211325583), (3, 70441861), (7, 30189369), (21, 10063123), (47, 4496289), (49, 4312767), (73, 2894871), (141, 1498763), (147, 1437589), (219, 964957), (329, 642327), (419, 504357), (511, 413553), (987, 214109), (1257, 168119), (1533, 137851), (2303, 91761), (2933, 72051), (3431, 61593), (3577, 59079), (6909, 30587), (8799, 24017), (10293, 20531), (10731, 19693)]