399382641

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 734822400

約数和(自身を除く): 335439759

約数列:

[1, 3, 7, 9, 19, 21, 31, 47, 57, 63, 93, 133, 141, 171, 217, 229, 279, 329, 399, 423, 589, 651, 687, 893, 987, 1197, 1457, 1603, 1767, 1953, 2061, 2679, 2961, 4123, 4351, 4371, 4809, 5301, 6251, 7099, 8037, 10199, 10763, 12369, 13053, 13113, 14427, 18753, 21297, 27683, 30457, 30597, 32289, 37107, 39159, 49693, 56259, 63891, 75341, 83049, 91371, 91791, 96867, 134881, 149079, 193781, 204497, 226023, 249147, 274113, 333653, 404643, 447237, 581343, 613491, 678069, 944167, 1000959, 1213929, 1431479, 1744029, 1840473, 2335571, 2832501, 3002877, 4294437, 6339407, 7006713, 8497503, 12883311, 19018221, 21020139, 44375849, 57054663, 133127547, 399382641]

約数ペア:

[(1, 399382641), (3, 133127547), (7, 57054663), (9, 44375849), (19, 21020139), (21, 19018221), (31, 12883311), (47, 8497503), (57, 7006713), (63, 6339407), (93, 4294437), (133, 3002877), (141, 2832501), (171, 2335571), (217, 1840473), (229, 1744029), (279, 1431479), (329, 1213929), (399, 1000959), (423, 944167), (589, 678069), (651, 613491), (687, 581343), (893, 447237), (987, 404643), (1197, 333653), (1457, 274113), (1603, 249147), (1767, 226023), (1953, 204497), (2061, 193781), (2679, 149079), (2961, 134881), (4123, 96867), (4351, 91791), (4371, 91371), (4809, 83049), (5301, 75341), (6251, 63891), (7099, 56259), (8037, 49693), (10199, 39159), (10763, 37107), (12369, 32289), (13053, 30597), (13113, 30457), (14427, 27683), (18753, 21297)]