7271979

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 12155136

約数和(自身を除く): 4883157

約数列:

[1, 3, 11, 13, 23, 33, 39, 67, 69, 121, 143, 201, 253, 299, 363, 429, 737, 759, 871, 897, 1541, 1573, 2211, 2613, 2783, 3289, 4623, 4719, 8107, 8349, 9581, 9867, 16951, 20033, 24321, 28743, 36179, 50853, 60099, 105391, 108537, 186461, 220363, 316173, 559383, 661089, 2423993, 7271979]

約数ペア:

[(1, 7271979), (3, 2423993), (11, 661089), (13, 559383), (23, 316173), (33, 220363), (39, 186461), (67, 108537), (69, 105391), (121, 60099), (143, 50853), (201, 36179), (253, 28743), (299, 24321), (363, 20033), (429, 16951), (737, 9867), (759, 9581), (871, 8349), (897, 8107), (1541, 4719), (1573, 4623), (2211, 3289), (2613, 2783)]