208119957

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{733}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 297639936

約数和(自身を除く): 89519979

約数列:

[1, 3, 31, 43, 71, 93, 129, 213, 733, 1333, 2199, 2201, 3053, 3999, 6603, 9159, 22723, 31519, 52043, 68169, 94557, 94643, 156129, 283929, 977089, 1613333, 2237849, 2931267, 4839999, 6713547, 69373319, 208119957]

約数ペア:

[(1, 208119957), (3, 69373319), (31, 6713547), (43, 4839999), (71, 2931267), (93, 2237849), (129, 1613333), (213, 977089), (733, 283929), (1333, 156129), (2199, 94643), (2201, 94557), (3053, 68169), (3999, 52043), (6603, 31519), (9159, 22723)]