250990551

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{467}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 438048000

約数和(自身を除く): 187057449

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 449, 467, 1197, 1347, 1401, 3143, 3269, 4041, 4203, 8531, 8873, 9429, 9807, 25593, 26619, 28287, 29421, 59717, 62111, 76779, 79857, 179151, 186333, 209683, 537453, 558999, 629049, 1467781, 1887147, 3983977, 4403343, 11951931, 13210029, 27887839, 35855793, 83663517, 250990551]

約数ペア:

[(1, 250990551), (3, 83663517), (7, 35855793), (9, 27887839), (19, 13210029), (21, 11951931), (57, 4403343), (63, 3983977), (133, 1887147), (171, 1467781), (399, 629049), (449, 558999), (467, 537453), (1197, 209683), (1347, 186333), (1401, 179151), (3143, 79857), (3269, 76779), (4041, 62111), (4203, 59717), (8531, 29421), (8873, 28287), (9429, 26619), (9807, 25593)]