254893455

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6343}}^1$

素因数の和:6420

約数の個数: 48

約数和(自身を含む): 475038720

約数和(自身を除く): 220145265

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 705, 855, 893, 2115, 2679, 4465, 6343, 8037, 13395, 19029, 31715, 40185, 57087, 95145, 120517, 285435, 298121, 361551, 602585, 894363, 1084653, 1490605, 1807755, 2683089, 4471815, 5423265, 5664299, 13415445, 16992897, 28321495, 50978691, 84964485, 254893455]

約数ペア:

[(1, 254893455), (3, 84964485), (5, 50978691), (9, 28321495), (15, 16992897), (19, 13415445), (45, 5664299), (47, 5423265), (57, 4471815), (95, 2683089), (141, 1807755), (171, 1490605), (235, 1084653), (285, 894363), (423, 602585), (705, 361551), (855, 298121), (893, 285435), (2115, 120517), (2679, 95145), (4465, 57087), (6343, 40185), (8037, 31715), (13395, 19029)]