406078491

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^2$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 680900864

約数和(自身を除く): 274822373

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 149, 201, 273, 447, 469, 871, 1043, 1407, 1937, 2613, 3129, 5811, 6097, 9983, 13559, 18291, 22201, 29949, 40677, 66603, 69881, 129779, 155407, 209643, 288613, 389337, 466221, 865839, 908453, 1487467, 2020291, 2725359, 4462401, 6060873, 10412269, 19337071, 31236807, 58011213, 135359497, 406078491]

約数ペア:

[(1, 406078491), (3, 135359497), (7, 58011213), (13, 31236807), (21, 19337071), (39, 10412269), (67, 6060873), (91, 4462401), (149, 2725359), (201, 2020291), (273, 1487467), (447, 908453), (469, 865839), (871, 466221), (1043, 389337), (1407, 288613), (1937, 209643), (2613, 155407), (3129, 129779), (5811, 69881), (6097, 66603), (9983, 40677), (13559, 29949), (18291, 22201)]