211373409

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1973}}^1$

素因数の和:2097

約数の個数: 32

約数和(自身を含む): 315713664

約数和(自身を除く): 104340255

約数列:

[1, 3, 13, 39, 41, 67, 123, 201, 533, 871, 1599, 1973, 2613, 2747, 5919, 8241, 25649, 35711, 76947, 80893, 107133, 132191, 242679, 396573, 1051609, 1718483, 3154827, 5155449, 5419831, 16259493, 70457803, 211373409]

約数ペア:

[(1, 211373409), (3, 70457803), (13, 16259493), (39, 5419831), (41, 5155449), (67, 3154827), (123, 1718483), (201, 1051609), (533, 396573), (871, 242679), (1599, 132191), (1973, 107133), (2613, 80893), (2747, 76947), (5919, 35711), (8241, 25649)]