201573981

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1535

約数の個数: 64

約数和(自身を含む): 370022400

約数和(自身を除く): 168448419

約数列:

[1, 3, 7, 9, 17, 21, 27, 43, 51, 63, 119, 129, 153, 189, 301, 357, 387, 459, 731, 903, 1071, 1161, 1459, 2193, 2709, 3213, 4377, 5117, 6579, 8127, 10213, 13131, 15351, 19737, 24803, 30639, 39393, 46053, 62737, 74409, 91917, 138159, 173621, 188211, 223227, 275751, 439159, 520863, 564633, 669681, 1066529, 1317477, 1562589, 1693899, 3199587, 3952431, 4687767, 7465703, 9598761, 11857293, 22397109, 28796283, 67191327, 201573981]

約数ペア:

[(1, 201573981), (3, 67191327), (7, 28796283), (9, 22397109), (17, 11857293), (21, 9598761), (27, 7465703), (43, 4687767), (51, 3952431), (63, 3199587), (119, 1693899), (129, 1562589), (153, 1317477), (189, 1066529), (301, 669681), (357, 564633), (387, 520863), (459, 439159), (731, 275751), (903, 223227), (1071, 188211), (1161, 173621), (1459, 138159), (2193, 91917), (2709, 74409), (3213, 62737), (4377, 46053), (5117, 39393), (6579, 30639), (8127, 24803), (10213, 19737), (13131, 15351)]