79218321

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 135991296

約数和(自身を除く): 56772975

約数列:

[1, 3, 7, 13, 21, 39, 61, 67, 71, 91, 183, 201, 213, 273, 427, 469, 497, 793, 871, 923, 1281, 1407, 1491, 2379, 2613, 2769, 4087, 4331, 4757, 5551, 6097, 6461, 12261, 12993, 14271, 16653, 18291, 19383, 28609, 30317, 33299, 53131, 56303, 61841, 85827, 90951, 99897, 159393, 168909, 185523, 290177, 371917, 394121, 432887, 870531, 1115751, 1182363, 1298661, 2031239, 3772301, 6093717, 11316903, 26406107, 79218321]

約数ペア:

[(1, 79218321), (3, 26406107), (7, 11316903), (13, 6093717), (21, 3772301), (39, 2031239), (61, 1298661), (67, 1182363), (71, 1115751), (91, 870531), (183, 432887), (201, 394121), (213, 371917), (273, 290177), (427, 185523), (469, 168909), (497, 159393), (793, 99897), (871, 90951), (923, 85827), (1281, 61841), (1407, 56303), (1491, 53131), (2379, 33299), (2613, 30317), (2769, 28609), (4087, 19383), (4331, 18291), (4757, 16653), (5551, 14271), (6097, 12993), (6461, 12261)]