251041161

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 401863680

約数和(自身を除く): 150822519

約数列:

[1, 3, 7, 21, 49, 67, 71, 147, 201, 213, 359, 469, 497, 1077, 1407, 1491, 2513, 3283, 3479, 4757, 7539, 9849, 10437, 14271, 17591, 24053, 25489, 33299, 52773, 72159, 76467, 99897, 168371, 178423, 233093, 505113, 535269, 699279, 1178597, 1248961, 1707763, 3535791, 3746883, 5123289, 11954341, 35863023, 83680387, 251041161]

約数ペア:

[(1, 251041161), (3, 83680387), (7, 35863023), (21, 11954341), (49, 5123289), (67, 3746883), (71, 3535791), (147, 1707763), (201, 1248961), (213, 1178597), (359, 699279), (469, 535269), (497, 505113), (1077, 233093), (1407, 178423), (1491, 168371), (2513, 99897), (3283, 76467), (3479, 72159), (4757, 52773), (7539, 33299), (9849, 25489), (10437, 24053), (14271, 17591)]