28202559

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{1009}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 47316480

約数和(自身を除く): 19113921

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 1009, 1331, 2541, 3027, 3993, 7063, 9317, 11099, 21189, 27951, 33297, 77693, 122089, 233079, 366267, 854623, 1342979, 2563869, 4028937, 9400853, 28202559]

約数ペア:

[(1, 28202559), (3, 9400853), (7, 4028937), (11, 2563869), (21, 1342979), (33, 854623), (77, 366267), (121, 233079), (231, 122089), (363, 77693), (847, 33297), (1009, 27951), (1331, 21189), (2541, 11099), (3027, 9317), (3993, 7063)]