28621239

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 42389760

約数和(自身を除く): 13768521

約数列:

[1, 3, 19, 37, 41, 57, 111, 123, 331, 703, 779, 993, 1517, 2109, 2337, 4551, 6289, 12247, 13571, 18867, 28823, 36741, 40713, 86469, 232693, 257849, 502127, 698079, 773547, 1506381, 9540413, 28621239]

約数ペア:

[(1, 28621239), (3, 9540413), (19, 1506381), (37, 773547), (41, 698079), (57, 502127), (111, 257849), (123, 232693), (331, 86469), (703, 40713), (779, 36741), (993, 28823), (1517, 18867), (2109, 13571), (2337, 12247), (4551, 6289)]